200020010020 has 48 divisors (see below), whose sum is σ = 429893912448. Its totient is φ = 78132176640.

The previous prime is 200020009991. The next prime is 200020010033. The reversal of 200020010020 is 20010020002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200020009985 and 200020010012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5077600 + ... + 5116840.

It is an arithmetic number, because the mean of its divisors is an integer number (8956123176).

Almost surely, 2^200020010020 is an apocalyptic number.

200020010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020010020 is an abundant number, since it is smaller than the sum of its proper divisors (229873902428).

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

200020010020 is a wasteful number, since it uses less digits than its factorization.

200020010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45220 (or 45218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 200020010020 its reverse (20010020002), we get a palindrome (220030030022).

The spelling of 200020010020 in words is "two hundred billion, twenty million, ten thousand, twenty".