200021210202 has 16 divisors (see below), whose sum is σ = 436409913312. Its totient is φ = 60612487920.

The previous prime is 200021210173. The next prime is 200021210209. The reversal of 200021210202 is 202012120002.

It is not an unprimeable number, because it can be changed into a prime (200021210209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515312133 + ... + 1515312264.

It is an arithmetic number, because the mean of its divisors is an integer number (27275619582).

Almost surely, 2^200021210202 is an apocalyptic number.

200021210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200021210202 is an abundant number, since it is smaller than the sum of its proper divisors (236388703110).

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

200021210202 is a wasteful number, since it uses less digits than its factorization.

200021210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030624413.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200021210202 its reverse (202012120002), we get a palindrome (402033330204).

The spelling of 200021210202 in words is "two hundred billion, twenty-one million, two hundred ten thousand, two hundred two".