18230424920 has 32 divisors (see below), whose sum is σ = 41022324720. Its totient is φ = 7291482240.

The previous prime is 18230424881. The next prime is 18230424923. The reversal of 18230424920 is 2942403281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230424923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748535 + ... + 772505.

Almost surely, 2^18230424920 is an apocalyptic number.

18230424920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18230424920 is an abundant number, since it is smaller than the sum of its proper divisors (22791899800).

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

18230424920 is a wasteful number, since it uses less digits than its factorization.

18230424920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42995 (or 42991 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 18230424920 in words is "eighteen billion, two hundred thirty million, four hundred twenty-four thousand, nine hundred twenty".