200200000020 has 24 divisors (see below), whose sum is σ = 560560000224. Its totient is φ = 53386666656.

The previous prime is 200199999991. The next prime is 200200000037. The reversal of 200200000020 is 20000002002.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 200199999954 and 200200000008.

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, 1668333274 + ... + 1668333393.

It is an arithmetic number, because the mean of its divisors is an integer number (23356666676).

Almost surely, 2^200200000020 is an apocalyptic number.

200200000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200200000020 is an abundant number, since it is smaller than the sum of its proper divisors (360360000204).

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

200200000020 is a wasteful number, since it uses less digits than its factorization.

200200000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336666679 (or 3336666677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 200200000020 its reverse (20000002002), we get a palindrome (220200002022).

The spelling of 200200000020 in words is "two hundred billion, two hundred million, twenty", and thus it is an aban number.