22220022122120 has 32 divisors (see below), whose sum is σ = 49995378144000. Its totient is φ = 8887950472128.

The previous prime is 22220022122117. The next prime is 22220022122153. The reversal of 22220022122120 is 2122122002222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22220022122092 and 22220022122101.

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, 4623287 + ... + 8112633.

It is an arithmetic number, because the mean of its divisors is an integer number (1562355567000).

Almost surely, 2^{22220022122120} is an apocalyptic number.

22220022122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220022122120 is an abundant number, since it is smaller than the sum of its proper divisors (27775356021880).

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

22220022122120 is a wasteful number, since it uses less digits than its factorization.

22220022122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648557 (or 3648553 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22220022122120 its reverse (2122122002222), we get a palindrome (24342144124342).

The spelling of 22220022122120 in words is "twenty-two trillion, two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty".