220122102020 has 24 divisors (see below), whose sum is σ = 462282538200. Its totient is φ = 88043864832.

The previous prime is 220122102017. The next prime is 220122102041. The reversal of 220122102020 is 20201221022.

It can be written as a sum of positive squares in 4 ways, for example, as 109398208516 + 110723893504 = 330754^2 + 332752^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220122101986 and 220122102004.

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, 62696 + ... + 666464.

It is an arithmetic number, because the mean of its divisors is an integer number (19261772425).

Almost surely, 2^220122102020 is an apocalyptic number.

220122102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220122102020 is an abundant number, since it is smaller than the sum of its proper divisors (242160436180).

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

220122102020 is a wasteful number, since it uses less digits than its factorization.

220122102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622007 (or 622005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220122102020 its reverse (20201221022), we get a palindrome (240323323042).

The spelling of 220122102020 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, twenty".