20588528023 has 18 divisors (see below), whose sum is σ = 23736765192. Its totient is φ = 17493396480.

The previous prime is 20588528017. The next prime is 20588528027. The reversal of 20588528023 is 32082588502.

It is a happy number.

It is not a de Polignac number, because 20588528023 - 2²⁹ = 20051657111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20588528027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73268643 + ... + 73268923.

Almost surely, 2^20588528023 is an apocalyptic number.

20588528023 is a deficient number, since it is larger than the sum of its proper divisors (3148237169).

20588528023 is an frugal number, since it uses more digits than its factorization.

20588528023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 20588528023 in words is "twenty billion, five hundred eighty-eight million, five hundred twenty-eight thousand, twenty-three".