Select 20 unique numbers from 1 to 429
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 11,686,756,197,305,642,408,401,329,683,693,568 (~1.1686756197306E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 28,432,732,621,495,687,450,925,569,834,694,239,391,903,232,137,625,600 (~2.8432732621496E+34 million trillion)
If order does not matter (e.g. most lottery numbers): 11,686,756,197,305,642,408,401,329,683,693,568 (~1.1686756197306E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 28,432,732,621,495,687,450,925,569,834,694,239,391,903,232,137,625,600 (~2.8432732621496E+34 million trillion)