20164504 has 16 divisors (see below), whose sum is σ = 38613600. Its totient is φ = 9867552.

The previous prime is 20164493. The next prime is 20164523. The reversal of 20164504 is 40546102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26439 + ... + 27190.

It is an arithmetic number, because the mean of its divisors is an integer number (2413350).

Almost surely, 2^20164504 is an apocalyptic number.

It is an amenable number.

20164504 is a deficient number, since it is larger than the sum of its proper divisors (18449096).

20164504 is a wasteful number, since it uses less digits than its factorization.

20164504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53682 (or 53678 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20164504 is about 4490.4903963821. The cubic root of 20164504 is about 272.1839514033.

The spelling of 20164504 in words is "twenty million, one hundred sixty-four thousand, five hundred four".