Select 20 unique numbers from 1 to 77
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,472,474,663,905,800,960 (~1.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,582,386,566,805,646,205,149,940,187,947,597,824 (~3.5823865668056E+18 million trillion)
If order does not matter (e.g. most lottery numbers): 1,472,474,663,905,800,960 (~1.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,582,386,566,805,646,205,149,940,187,947,597,824 (~3.5823865668056E+18 million trillion)