20374904 has 16 divisors (see below), whose sum is σ = 41676120. Its totient is φ = 9261280.

The previous prime is 20374903. The next prime is 20374931. The reversal of 20374904 is 40947302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115679 + ... + 115854.

Almost surely, 2^20374904 is an apocalyptic number.

It is an amenable number.

20374904 is an abundant number, since it is smaller than the sum of its proper divisors (21301216).

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

20374904 is a wasteful number, since it uses less digits than its factorization.

20374904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231550 (or 231546 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20374904 is about 4513.8568874079. The cubic root of 20374904 is about 273.1273496020.

The spelling of 20374904 in words is "twenty million, three hundred seventy-four thousand, nine hundred four".