202221000222220 has 48 divisors (see below), whose sum is σ = 485405380369728. Its totient is φ = 69322202956800.

The previous prime is 202221000222187. The next prime is 202221000222223. The reversal of 202221000222220 is 22222000122202.

It is not an unprimeable number, because it can be changed into a prime (202221000222223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110667681 + ... + 112480120.

It is an arithmetic number, because the mean of its divisors is an integer number (10112612091036).

Almost surely, 2^{202221000222220} is an apocalyptic number.

202221000222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221000222220 is an abundant number, since it is smaller than the sum of its proper divisors (283184380147508).

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

202221000222220 is a wasteful number, since it uses less digits than its factorization.

202221000222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223154290 (or 223154288 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202221000222220 its reverse (22222000122202), we get a palindrome (224443000344422).

The spelling of 202221000222220 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-two thousand, two hundred twenty".