200020000020 has 96 divisors (see below), whose sum is σ = 604558321920. Its totient is φ = 49260288000.

The previous prime is 200020000003. The next prime is 200020000027. The reversal of 200020000020 is 20000020002.

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 = 200019999963 and 200020000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020000027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458981 + ... + 2539020.

It is an arithmetic number, because the mean of its divisors is an integer number (6297482520).

Almost surely, 2^200020000020 is an apocalyptic number.

200020000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020000020 is an abundant number, since it is smaller than the sum of its proper divisors (404538321900).

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

200020000020 is a wasteful number, since it uses less digits than its factorization.

200020000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998065 (or 4998063 counting only the distinct ones).

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

Adding to 200020000020 its reverse (20000020002), we get a palindrome (220020020022).

The spelling of 200020000020 in words is "two hundred billion, twenty million, twenty", and thus it is an aban number.