20554658592 has 48 divisors (see below), whose sum is σ = 58106442240. Its totient is φ = 6324509952.

The previous prime is 20554658573. The next prime is 20554658633. The reversal of 20554658592 is 29585645502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8233792 + ... + 8236287.

It is an arithmetic number, because the mean of its divisors is an integer number (1210550880).

Almost surely, 2^20554658592 is an apocalyptic number.

It is an amenable number.

20554658592 is an abundant number, since it is smaller than the sum of its proper divisors (37551783648).

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

20554658592 is a wasteful number, since it uses less digits than its factorization.

20554658592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470105 (or 16470097 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 20554658592 in words is "twenty billion, five hundred fifty-four million, six hundred fifty-eight thousand, five hundred ninety-two".