202232222220 has 48 divisors (see below), whose sum is σ = 647143112448. Its totient is φ = 46224507840.

The previous prime is 202232222209. The next prime is 202232222221. The reversal of 202232222220 is 22222232202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (202232222221) 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, 240752226 + ... + 240753065.

It is an arithmetic number, because the mean of its divisors is an integer number (13482148176).

Almost surely, 2^202232222220 is an apocalyptic number.

202232222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202232222220 is an abundant number, since it is smaller than the sum of its proper divisors (444910890228).

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

202232222220 is a wasteful number, since it uses less digits than its factorization.

202232222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481505310 (or 481505308 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 202232222220 its reverse (22222232202), we get a palindrome (224454454422).

The spelling of 202232222220 in words is "two hundred two billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty".