202220002200 has 96 divisors (see below), whose sum is σ = 628086206160. Its totient is φ = 53821747200.

The previous prime is 202220002189. The next prime is 202220002217. The reversal of 202220002200 is 2200022202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10849 + ... + 636048.

Almost surely, 2^202220002200 is an apocalyptic number.

202220002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202220002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314043103080).

202220002200 is an abundant number, since it is smaller than the sum of its proper divisors (425866203960).

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

202220002200 is a wasteful number, since it uses less digits than its factorization.

202220002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647437 (or 647428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 202220002200 its reverse (2200022202), we get a palindrome (204420024402).

The spelling of 202220002200 in words is "two hundred two billion, two hundred twenty million, two thousand, two hundred".