20204325538 has 8 divisors (see below), whose sum is σ = 30323434140. Its totient is φ = 10096514160.

The previous prime is 20204325523. The next prime is 20204325539. The reversal of 20204325538 is 83552340202.

It can be written as a sum of positive squares in 2 ways, for example, as 20179054809 + 25270729 = 142053^2 + 5027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20204325539) 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, 2819833 + ... + 2826988.

Almost surely, 2^20204325538 is an apocalyptic number.

20204325538 is a deficient number, since it is larger than the sum of its proper divisors (10119108602).

20204325538 is a wasteful number, since it uses less digits than its factorization.

20204325538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648612.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20204325538 in words is "twenty billion, two hundred four million, three hundred twenty-five thousand, five hundred thirty-eight".