200021000010 has 32 divisors (see below), whose sum is σ = 516977354880. Its totient is φ = 49235938368.

The previous prime is 200020999999. The next prime is 200021000033. The reversal of 200021000010 is 10000120002.

It is a happy number.

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

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, 256436790 + ... + 256437569.

It is an arithmetic number, because the mean of its divisors is an integer number (16155542340).

Almost surely, 2^200021000010 is an apocalyptic number.

200021000010 is an abundant number, since it is smaller than the sum of its proper divisors (316956354870).

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

200021000010 is a wasteful number, since it uses less digits than its factorization.

200021000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512874382.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200021000010 its reverse (10000120002), we get a palindrome (210021120012).

The spelling of 200021000010 in words is "two hundred billion, twenty-one million, ten", and thus it is an aban number.