Select 20 unique numbers from 1 to 63
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 13,488,561,475,572,644 (~13.5 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 32,816,348,301,334,746,257,793,918,959,616,000 (~3.2816348301335E+16 million trillion)
If order does not matter (e.g. most lottery numbers): 13,488,561,475,572,644 (~13.5 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 32,816,348,301,334,746,257,793,918,959,616,000 (~3.2816348301335E+16 million trillion)