20554762416 has 40 divisors (see below), whose sum is σ = 53847696384. Its totient is φ = 6755085120.

The previous prime is 20554762391. The next prime is 20554762483. The reversal of 20554762416 is 61426745502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012256 + ... + 3019071.

Almost surely, 2^20554762416 is an apocalyptic number.

It is an amenable number.

20554762416 is an abundant number, since it is smaller than the sum of its proper divisors (33292933968).

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

20554762416 is a wasteful number, since it uses less digits than its factorization.

20554762416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031409 (or 6031403 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 20554762416 in words is "twenty billion, five hundred fifty-four million, seven hundred sixty-two thousand, four hundred sixteen".