18820082052 has 60 divisors (see below), whose sum is σ = 49231908880. Its totient is φ = 6269217264.

The previous prime is 18820081939. The next prime is 18820082081. The reversal of 18820082052 is 25028002881.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 18820081998 and 18820082016.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 493203 + ... + 529989.

Almost surely, 2^18820082052 is an apocalyptic number.

18820082052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18820082052 is an abundant number, since it is smaller than the sum of its proper divisors (30411826828).

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

18820082052 is a wasteful number, since it uses less digits than its factorization.

18820082052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38382 (or 38371 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 18820082052 in words is "eighteen billion, eight hundred twenty million, eighty-two thousand, fifty-two".