Figuring your water line is 4" below the top of your pool the Shallow end is 7500 gals and your Deep end is ~ 15500 gals probably somewhat less, but that'd be a pretty good estimate. Total between 23000 and 24000 gals.
Pool size: 24000gal inground Vinyl-Taylor k-2006 and k-1766 test kits and-speed stir
Intermatic P1353ME digital timer w/freeze sensor
CircuPool Si-45 SWCG System
Polaris 280 vacuum/Polaris PB4-60 boost pump
Pentair IntelliFlo VS 3hp Pump--Pentair sand filter