how many players averaged 20 points and 20 rebounds

Paul Arizin put up 16,266 points when grabbing 20+ rebounds in his career.

Interpreted as:

How many players averaged 20 or more points and 20 or more rebounds?

	NAME	PTS	REB	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	AST	PF
1	Paul Arizin P. Arizin	16,266	6,129	713	38.4	22.8	8.6	2.3	7.9	18.7	42.1	7.0	8.7	81.0	50.6	24,897	1,665	2,764
2	Curly Armstrong C. Armstrong	202	89	38		5.3	2.3	2.0	1.9	6.1	31.0	1.5	2.4	64.4	37.2		77	97
3	Cliff Barker C. Barker	278	181	100	11.2	2.8	1.8	1.9	1.0	3.6	27.3	0.8	1.3	62.5	33.1	494	185	154
4	Leo Barnhorst L. Barnhorst	2,794	1,506	277	34.8	10.1	5.4	3.5	4.3	11.5	37.1	1.6	2.4	65.8	40.2	7,279	976	841
5	Ed Bartels E. Bartels	72	84	17		4.2	4.9	0.7	1.4	5.7	24.7	1.4	2.7	52.2	30.7		12	54
6	Ed Beach E. Beach	22	25	12		1.8	2.1	0.3	0.7	3.2	21.1	0.5	0.8	66.7	26.2		3	14
7	Ralph Beard R. Beard	1,111	251	66		16.8	3.8	4.8	6.2	16.8	36.8	4.4	5.7	77.5	43.5		318	96
8	Nelson Bobb N. Bobb	810	405	170	21.2	4.8	2.4	2.6	1.7	4.6	35.9	1.5	2.4	60.8	42.1	2,478	442	426
9	Ike Borsavage I. Borsavage	64	24	24		2.7	1.0	0.2	1.1	3.1	35.1	0.5	0.8	66.7	39.1		4	34
10	Vince Boryla V. Boryla	2,575	831	226	32.3	11.4	3.7	2.3	4.3	11.5	37.8	2.7	3.2	83.5	44.1	5,162	515	719
11	Harry Boykoff H. Boykoff	326	220	48		6.8	4.6	1.3	2.6	7.0	37.5	1.5	2.1	74.0	42.9		60	197
12	Frankie Brian F. Brian	4,241	903	374	24.9	11.3	2.4	2.5	3.7	10.8	34.6	3.9	4.7	82.1	44.1	7,616	949	935
13	Walt Budko W. Budko	750	684	127	17.9	5.9	5.4	1.8	2.1	5.5	37.2	1.8	2.5	72.4	44.6	1,126	226	399
14	Art Burris A. Burris	187	205	74	12.5	2.5	2.8	0.7	0.9	3.6	26.0	0.6	1.0	62.7	31.0	514	54	120
15	Tommy Byrnes T. Byrnes	217	71	47		4.6	1.5	1.5	1.7	5.7	30.3	1.2	1.8	65.5	35.7		69	81
16	Gerry Calabrese G. Calabrese	492	149	104	16.2	4.7	1.4	1.4	1.7	4.9	34.8	1.3	1.8	70.2	41.1	937	148	187
17	Bill Calhoun B. Calhoun	2,513	1,292	324	31.9	7.8	4.0	2.5	2.5	7.6	33.1	2.7	3.8	71.2	41.7	8,221	796	639
18	Bob Carpenter B. Carpenter	323	229	56		5.8	4.1	1.4	1.9	6.0	32.5	1.9	2.3	82.0	41.3		79	115
19	Al Cervi A. Cervi	1,018	261	146	12.4	7.0	1.8	2.6	1.8	4.8	37.6	3.4	4.0	84.4	53.3	1,151	384	446
20	Cal Christensen C. Christensen	1,507	1,587	291	17.9	5.2	5.5	1.6	1.7	5.1	33.0	1.8	3.0	60.6	40.5	4,009	460	831
21	Nathaniel Clifton N. Clifton	5,444	4,469	544	30.0	10.0	8.2	2.5	3.8	10.6	36.1	2.4	3.7	63.3	40.9	14,369	1,367	1,840
22	Bill Closs B. Closs	917	605	122	19.6	7.5	5.0	1.5	2.6	8.4	31.6	2.2	3.1	71.8	38.6	1,120	186	281
23	Jack Coleman J. Coleman	6,131	5,186	565	33.1	10.9	9.2	2.8	4.5	10.8	42.0	1.8	2.6	69.1	45.5	16,479	1,596	1,704
24	Chuck Cooper C. Cooper	2,725	2,431	409	23.2	6.7	5.9	1.8	2.3	6.7	33.9	2.1	2.8	74.3	41.8	7,964	734	1,196
25	Ray Corley R. Corley	133	82	42	8.1	3.2	2.0	1.5	1.2	4.2	27.8	0.8	1.5	57.4	32.8	65	65	70