220022100000120 has 64 divisors (see below), whose sum is σ = 720072327277440. Its totient is φ = 53338690908800.

The previous prime is 220022100000119. The next prime is 220022100000161. The reversal of 220022100000120 is 21000001220022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220022100000096 and 220022100000105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83341703226 + ... + 83341705865.

It is an arithmetic number, because the mean of its divisors is an integer number (11251130113710).

Almost surely, 2^{220022100000120} is an apocalyptic number.

220022100000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022100000120 is an abundant number, since it is smaller than the sum of its proper divisors (500050227277320).

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

220022100000120 is a wasteful number, since it uses less digits than its factorization.

220022100000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166683409116 (or 166683409112 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220022100000120 its reverse (21000001220022), we get a palindrome (241022101220142).

The spelling of 220022100000120 in words is "two hundred twenty trillion, twenty-two billion, one hundred million, one hundred twenty", and thus it is an aban number.