220022212121904 has 80 divisors (see below), whose sum is σ = 570903373559808. Its totient is φ = 73016533214976.

The previous prime is 220022212121903. The next prime is 220022212121923. The reversal of 220022212121904 is 409121212220022.

220022212121904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220022212121904² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220022212121903) 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, 1022885214 + ... + 1023100290.

Almost surely, 2^{220022212121904} is an apocalyptic number.

220022212121904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220022212121904 is an abundant number, since it is smaller than the sum of its proper divisors (350881161437904).

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

220022212121904 is a wasteful number, since it uses less digits than its factorization.

220022212121904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309202 (or 309196 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 220022212121904 its reverse (409121212220022), we get a palindrome (629143424341926).

The spelling of 220022212121904 in words is "two hundred twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred four".