20236523800 has 48 divisors (see below), whose sum is σ = 49526238600. Its totient is φ = 7668576000.

The previous prime is 20236523779. The next prime is 20236523807. The reversal of 20236523800 is 832563202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20236523807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658901 + ... + 2666500.

Almost surely, 2^20236523800 is an apocalyptic number.

20236523800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20236523800 is an abundant number, since it is smaller than the sum of its proper divisors (29289714800).

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

20236523800 is a wasteful number, since it uses less digits than its factorization.

20236523800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325436 (or 5325427 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20236523800 in words is "twenty billion, two hundred thirty-six million, five hundred twenty-three thousand, eight hundred".