220122120112020 has 144 divisors (see below), whose sum is σ = 791352609710208. Its totient is φ = 50313627446400.

The previous prime is 220122120112009. The next prime is 220122120112033. The reversal of 220122120112020 is 20211021221022.

It is a happy number.

220122120112020 is a `hidden beast` number, since 2 + 201 + 221 + 201 + 1 + 20 + 20 = 666.

It is a super-2 number, since 2×220122120112020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220122120111984 and 220122120112002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3235152931 + ... + 3235220970.

Almost surely, 2^{220122120112020} is an apocalyptic number.

220122120112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220122120112020 is an abundant number, since it is smaller than the sum of its proper divisors (571230489598188).

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

220122120112020 is a wasteful number, since it uses less digits than its factorization.

220122120112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470373932 (or 6470373918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220122120112020 its reverse (20211021221022), we get a palindrome (240333141333042).

The spelling of 220122120112020 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, twenty".