202222222100020 has 24 divisors (see below), whose sum is σ = 424877838382368. Its totient is φ = 80848665607200.

The previous prime is 202222222099993. The next prime is 202222222100153. The reversal of 202222222100020 is 20001222222202.

It is a super-2 number, since 2×202222222100020² (a number of 29 digits) contains 22 as substring.

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, 2513910826 + ... + 2513991265.

It is an arithmetic number, because the mean of its divisors is an integer number (17703243265932).

Almost surely, 2^{202222222100020} is an apocalyptic number.

202222222100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222222100020 is an abundant number, since it is smaller than the sum of its proper divisors (222655616282348).

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

202222222100020 is a wasteful number, since it uses less digits than its factorization.

202222222100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027904111 (or 5027904109 counting only the distinct ones).

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

Adding to 202222222100020 its reverse (20001222222202), we get a palindrome (222223444322222).

The spelling of 202222222100020 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, twenty".