The last I saw NCAA Division 1 plans a spring season starting February 3 and a 48 team tournament with the selections on April 18 and the College Cup May 13-17. There will be only 18 at-large teams There would have been only 17 at large teams but the last I saw the Ivy League will not play in the spring.
I have not seen anything on how many games are allowed. The normal fall season is 20 games including exhibitions. There are 11 weekends from February 3 to April 18.