200018038020 has 24 divisors (see below), whose sum is σ = 560050506624. Its totient is φ = 53338143456.

The previous prime is 200018038019. The next prime is 200018038037. The reversal of 200018038020 is 20830810002.

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, 1666816924 + ... + 1666817043.

It is an arithmetic number, because the mean of its divisors is an integer number (23335437776).

Almost surely, 2^200018038020 is an apocalyptic number.

200018038020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200018038020 is an abundant number, since it is smaller than the sum of its proper divisors (360032468604).

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

200018038020 is a wasteful number, since it uses less digits than its factorization.

200018038020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333633979 (or 3333633977 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 200018038020 its reverse (20830810002), we get a palindrome (220848848022).

The spelling of 200018038020 in words is "two hundred billion, eighteen million, thirty-eight thousand, twenty".