18484852020 has 24 divisors (see below), whose sum is σ = 51757585824. Its totient is φ = 4929293856.

The previous prime is 18484851989. The next prime is 18484852123. The reversal of 18484852020 is 2025848481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154040374 + ... + 154040493.

It is an arithmetic number, because the mean of its divisors is an integer number (2156566076).

Almost surely, 2^18484852020 is an apocalyptic number.

18484852020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18484852020 is an abundant number, since it is smaller than the sum of its proper divisors (33272733804).

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

18484852020 is a wasteful number, since it uses less digits than its factorization.

18484852020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308080879 (or 308080877 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 18484852020 in words is "eighteen billion, four hundred eighty-four million, eight hundred fifty-two thousand, twenty".