how many players have 20 wins

Tom Watson won 21 tournaments in his career.

Interpreted as:
How many players have 20 or more wins?
NAME WINS EVENTS TOP 10 ROUNDS MONEY
1 Tom Watson
T. Watson
21
1094
130
1,406
$9,414,928
2 Greg Norman
G. Norman
20
835
129
1,229
$14,012,818
3 Davis Love III
D. Love III
21
2418
180
2,739
$44,959,243
4 Phil Mickelson
P. Mickelson
45
1779
198
2,273
$94,798,661
5 Vijay Singh
V. Singh
34
1892
185
2,224
$71,281,216
6 Tiger Woods
T. Woods
82
1031
198
1,392
$120,999,166
7 Dustin Johnson
D. Johnson
24
587
113
1,052
$73,979,212
8 Rory McIlroy
R. McIlroy
28
327
129
962
$100,925,430
StatMuse has season-level data for tournament wins going back to the 1980 season.