20374764 has 24 divisors (see below), whose sum is σ = 50043840. Its totient is φ = 6434064.

The previous prime is 20374763. The next prime is 20374769. The reversal of 20374764 is 46747302.

It is not an unprimeable number, because it can be changed into a prime (20374763) 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, 44454 + ... + 44909.

It is an arithmetic number, because the mean of its divisors is an integer number (2085160).

Almost surely, 2^20374764 is an apocalyptic number.

It is an amenable number.

20374764 is an abundant number, since it is smaller than the sum of its proper divisors (29669076).

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

20374764 is a wasteful number, since it uses less digits than its factorization.

20374764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89389 (or 89387 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 20374764 is about 4513.8413795790. The cubic root of 20374764 is about 273.1267240298.

The spelling of 20374764 in words is "twenty million, three hundred seventy-four thousand, seven hundred sixty-four".