20455892204 has 24 divisors (see below), whose sum is σ = 39057067728. Its totient is φ = 9296963840.

The previous prime is 20455892153. The next prime is 20455892207. The reversal of 20455892204 is 40229855402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20455892207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393392 + ... + 442344.

It is an arithmetic number, because the mean of its divisors is an integer number (1627377822).

Almost surely, 2^20455892204 is an apocalyptic number.

It is an amenable number.

20455892204 is a deficient number, since it is larger than the sum of its proper divisors (18601175524).

20455892204 is a wasteful number, since it uses less digits than its factorization.

20455892204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58465 (or 58463 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 20455892204 in words is "twenty billion, four hundred fifty-five million, eight hundred ninety-two thousand, two hundred four".