Dennis Rodman had the most games with 20+ rebounds, with 158 games.

Interpreted as:

most +20 or more boards regular-season games by a player in NBA history

	NAME	GP	REB	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
1	Dennis Rodman D. Rodman	158	3,568	40.6	8.0	22.6	2.5	0.7	0.7	3.3	6.8	47.7	0.2	0.7	30.8	1.3	2.3	56.1	51.2	7.7	14.8	2.1	6,412	1,270	398	117	113	334	504	+249
2	Andre Drummond A. Drummond	92	2,019	37.4	19.8	21.9	2.0	1.6	2.0	8.3	15.0	55.2	0.0	0.3	8.7	3.3	6.2	53.1	56.0	7.4	14.6	2.4	3,438	1,823	188	144	181	219	293	+354
3	Dwight Howard D. Howard	82	1,785	39.1	21.3	21.8	1.7	1.1	2.6	7.5	13.1	57.1	0.0	0.1	8.3	6.3	11.3	56.3	59.1	6.1	15.7	3.4	3,210	1,745	140	94	213	278	256	+628
4	DeAndre Jordan D. Jordan	60	1,274	36.0	14.1	21.2	1.7	0.8	2.0	5.4	8.3	65.2	0.0	0.0	0.0	3.3	7.3	44.8	61.2	6.4	14.9	1.7	2,161	843	103	45	117	100	158	+393
5	Charles Barkley C. Barkley	54	1,189	42.5	26.2	22.0	4.4	1.9	1.3	9.2	16.2	56.8	0.5	1.9	27.5	7.3	9.7	74.5	63.9	7.6	14.4	4.3	2,295	1,414	239	100	69	233	177	+87
6	Dikembe Mutombo D. Mutombo	52	1,143	41.8	13.7	22.0	1.4	0.5	4.2	4.5	8.7	52.1	0.0	0.0	0.0	4.6	6.6	70.0	58.9	6.7	15.3	2.8	2,173	712	74	27	217	145	151	+111
7	Hakeem Olajuwon H. Olajuwon	48	1,019	40.9	26.9	21.2	2.6	2.4	4.2	10.6	20.6	51.3	0.0	0.1	0.0	5.8	8.5	67.5	55.2	6.5	14.8	3.7	1,964	1,290	125	114	203	178	190	+35
8	Marcus Camby M. Camby	44	946	38.0	11.9	21.5	3.0	1.1	3.3	4.8	10.7	45.3	0.0	0.2	11.1	2.2	3.3	66.4	49.0	5.4	16.1	1.9	1,673	524	134	50	145	83	123	+241
9	Ben Wallace B. Wallace	42	912	40.6	9.2	21.7	2.0	1.2	3.3	3.8	7.4	51.1	0.0	0.1	40.0	1.6	3.8	41.9	50.7	6.6	15.1	1.3	1,705	385	82	50	138	56	93	+334
10	Kevin Willis K. Willis	37	810	41.5	22.7	21.9	1.7	1.0	0.9	9.1	18.6	48.7	0.2	0.5	36.8	4.4	5.8	75.5	53.6	7.6	14.2	2.7	1,535	840	64	38	33	99	114	+14
11	Moses Malone M. Malone	37	804	39.9	28.1	21.7	1.6		2.0	9.2	20.2	45.3	0.0	0.1	0.0	9.8	12.4	78.9	54.8	8.9	12.8		1,477	1,041	58		74		97
12	Kevin Garnett K. Garnett	36	772	41.8	23.9	21.4	5.4	1.1	2.0	9.2	19.4	47.4	0.3	0.8	31.0	5.2	6.3	81.6	53.7	4.9	16.6	2.8	1,504	859	195	39	71	102	104	+159
13	Shaquille O'Neal S. O'Neal	35	760	42.5	31.3	21.7	2.6	0.4	3.7	12.4	20.8	59.8	0.0	0.0	0.0	6.5	11.7	55.3	60.4	7.2	14.5	3.4	1,489	1,096	90	14	129	118	116	+160
14	Rudy Gobert R. Gobert	34	728	34.6	17.4	21.4	1.3	0.8	2.0	6.1	9.7	63.3	0.0	0.1	0.0	5.1	7.1	71.1	67.6	6.2	15.2	1.8	1,177	590	45	27	69	61	95	+384
15	Tyson Chandler T. Chandler	31	673	37.2	13.6	21.7	1.2	0.6	1.8	5.4	9.7	55.7	0.0	0.0	0.0	2.8	4.6	61.5	58.1	8.3	13.4	1.7	1,154	422	37	19	55	52	79	+244
16	Bill Laimbeer B. Laimbeer	30	641	39.5	20.2	21.4	2.2			7.9	15.8	49.8	0.3	0.9	34.6	4.1	5.0	83.2	56.1	6.0	15.4		1,186	605	67				111
17	Hassan Whiteside H. Whiteside	29	628	34.1	19.4	21.7	0.7	0.7	3.2	8.1	13.0	62.2	0.1	0.1	50.0	3.1	5.0	61.6	63.5	6.5	15.2	2.5	989	562	21	20	92	72	79	+166
18	Buck Williams B. Williams	27	572	43.4	20.4	21.2	2.0		1.5	7.7	14.0	55.1	0.0	0.0		4.9	7.2	67.7	59.2	6.6	14.6		1,171	550	54		41		99
19	Domantas Sabonis D. Sabonis	26	570	37.9	20.3	21.9	7.4	0.9	0.6	8.0	14.7	54.0	0.5	1.7	32.6	3.8	5.3	72.5	59.5	6.2	15.7	3.6	986	528	192	24	16	94	84	+209
20	Tim Duncan T. Duncan	26	564	42.2	25.4	21.7	3.1	0.8	3.1	9.5	20.0	47.8	0.1	0.3	33.3	6.2	9.5	65.2	52.6	6.3	15.3	3.2	1,096	660	81	20	80	84	68	+80
21	Clint Capela C. Capela	24	522	36.0	19.2	21.8	1.1	0.9	2.3	8.4	13.0	64.6	0.0	0.0		2.4	4.3	55.8	64.5	7.6	14.2	1.2	864	460	26	21	55	28	52	+169
22	Patrick Ewing P. Ewing	23	496	41.0	27.3	21.6	3.2	1.2	3.8	10.4	20.8	50.0	0.0	0.1	33.3	6.5	9.0	72.3	55.2	5.4	16.2	3.3	942	628	74	27	88	77	86	+33
23	Charles Oakley C. Oakley	22	484	39.7	16.8	22.0	3.3	1.4	0.5	6.4	13.3	48.3	0.0	0.2	0.0	4.0	5.3	75.2	53.9	8.2	13.8	3.4	873	370	73	30	12	75	86	-2
24	Jayson Williams J. Williams	21	472	38.9	14.2	22.5	1.4	0.7	1.0	5.3	13.5	39.4	0.0	0.1	0.0	3.5	5.5	63.8	44.5	11.2	11.3	2.1	816	298	29	15	22	44	80	+78
25	Rony Seikaly R. Seikaly	21	453	41.5	20.6	21.6	1.7	0.7	1.5	7.5	15.6	48.3	0.0	0.1	50.0	5.5	8.2	66.5	53.6	6.7	14.9	3.5	871	432	36	15	31	73	73