Select 20 unique numbers from 1 to 219
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 10,820,905,393,777,040,446,267,064,320 (~10820905393.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 26,326,202,462,809,595,646,091,444,125,476,645,998,960,836,608 (~2.632620246281E+28 million trillion)
If order does not matter (e.g. most lottery numbers): 10,820,905,393,777,040,446,267,064,320 (~10820905393.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 26,326,202,462,809,595,646,091,444,125,476,645,998,960,836,608 (~2.632620246281E+28 million trillion)