20774260400 has 30 divisors (see below), whose sum is σ = 49910161572. Its totient is φ = 8309704000.

The previous prime is 20774260391. The next prime is 20774260421. The reversal of 20774260400 is 406247702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25967426 + ... + 25968225.

Almost surely, 2^20774260400 is an apocalyptic number.

20774260400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20774260400 is an abundant number, since it is smaller than the sum of its proper divisors (29135901172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20774260400 is a wasteful number, since it uses less digits than its factorization.

20774260400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51935669 (or 51935658 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 20774260400 in words is "twenty billion, seven hundred seventy-four million, two hundred sixty thousand, four hundred".