20364704 has 24 divisors (see below), whose sum is σ = 40416768. Its totient is φ = 10100160.

The previous prime is 20364697. The next prime is 20364709. The reversal of 20364704 is 40746302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20364709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (1684032).

Almost surely, 2^20364704 is an apocalyptic number.

It is an amenable number.

20364704 is a deficient number, since it is larger than the sum of its proper divisors (20052064).

20364704 is a wasteful number, since it uses less digits than its factorization.

20364704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148 (or 5140 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20364704 is about 4512.7268918028. The cubic root of 20364704 is about 273.0817647003.

The spelling of 20364704 in words is "twenty million, three hundred sixty-four thousand, seven hundred four".