Select 20 unique numbers from 1 to 454
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 37,203,150,736,971,660,815,075,938,869,968,896 (~3.7203150736972E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 90,511,620,138,476,601,724,303,623,338,527,635,012,302,408,047,919,104 (~9.0511620138477E+34 million trillion)
If order does not matter (e.g. most lottery numbers): 37,203,150,736,971,660,815,075,938,869,968,896 (~3.7203150736972E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 90,511,620,138,476,601,724,303,623,338,527,635,012,302,408,047,919,104 (~9.0511620138477E+34 million trillion)