Select 20 unique numbers from 1 to 64
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 19,619,725,782,651,120 (~19.6 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 47,732,870,256,486,905,324,676,979,733,037,056 (~4.7732870256487E+16 million trillion)
If order does not matter (e.g. most lottery numbers): 19,619,725,782,651,120 (~19.6 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 47,732,870,256,486,905,324,676,979,733,037,056 (~4.7732870256487E+16 million trillion)