Select 20 unique numbers from 0 to 2000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 395,772,111,749,723,111,263,298,443,189,842,880,827,821,654,016 (~3.9577211174972E+29 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 962,874,765,456,210,935,547,090,162,769,488,247,395,940,907,317,371,288,399,682,469,888 (~9.6287476545621E+47 million trillion)
If order does not matter (e.g. most lottery numbers): 395,772,111,749,723,111,263,298,443,189,842,880,827,821,654,016 (~3.9577211174972E+29 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 962,874,765,456,210,935,547,090,162,769,488,247,395,940,907,317,371,288,399,682,469,888 (~9.6287476545621E+47 million trillion)
