202222200220 has 24 divisors (see below), whose sum is σ = 424739323008. Its totient is φ = 80875032000.

The previous prime is 202222200199. The next prime is 202222200241. The reversal of 202222200220 is 22002222202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202222200199) and next prime (202222200241).

It is a junction number, because it is equal to n+sod(n) for n = 202222200194 and 202222200203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745356 + ... + 979795.

It is an arithmetic number, because the mean of its divisors is an integer number (17697471792).

Almost surely, 2^202222200220 is an apocalyptic number.

202222200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222200220 is an abundant number, since it is smaller than the sum of its proper divisors (222517122788).

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

202222200220 is a wasteful number, since it uses less digits than its factorization.

202222200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731021 (or 1731019 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202222200220 its reverse (22002222202), we get a palindrome (224224422422).

The spelling of 202222200220 in words is "two hundred two billion, two hundred twenty-two million, two hundred thousand, two hundred twenty".