Select 20 unique numbers from 111111 to 999999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 38,970,249,724,717,707,511,156,427,899,097,171,218,131,241,508,102,389,101,463,767,683,067,836,175,636,101,045,062,137,341,280,256,000 (~3.8970249724718E+82 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 94,810,798,814,410,853,925,857,476,306,697,563,275,862,981,858,546,791,473,382,342,055,135,296,228,600,645,171,931,989,743,641,204,067,721,171,880,250,441,728 (~9.4810798814411E+100 million trillion)
If order does not matter (e.g. most lottery numbers): 38,970,249,724,717,707,511,156,427,899,097,171,218,131,241,508,102,389,101,463,767,683,067,836,175,636,101,045,062,137,341,280,256,000 (~3.8970249724718E+82 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 94,810,798,814,410,853,925,857,476,306,697,563,275,862,981,858,546,791,473,382,342,055,135,296,228,600,645,171,931,989,743,641,204,067,721,171,880,250,441,728 (~9.4810798814411E+100 million trillion)