20525530204 has 12 divisors (see below), whose sum is σ = 35922686800. Its totient is φ = 10261905408.

The previous prime is 20525530153. The next prime is 20525530213. The reversal of 20525530204 is 40203552502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159624 + ... + 257935.

Almost surely, 2^20525530204 is an apocalyptic number.

It is an amenable number.

20525530204 is a deficient number, since it is larger than the sum of its proper divisors (15397156596).

20525530204 is a wasteful number, since it uses less digits than its factorization.

20525530204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429852 (or 429850 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 20525530204 in words is "twenty billion, five hundred twenty-five million, five hundred thirty thousand, two hundred four".