220112120 has 32 divisors (see below), whose sum is σ = 496843200. Its totient is φ = 87762048.

The previous prime is 220112119. The next prime is 220112129. The reversal of 220112120 is 21211022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (15526350).

Almost surely, 2^220112120 is an apocalyptic number.

220112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112120 is an abundant number, since it is smaller than the sum of its proper divisors (276731080).

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

220112120 is a wasteful number, since it uses less digits than its factorization.

220112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17687 (or 17683 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 220112120 is about 14836.1760571921. The cubic root of 220112120 is about 603.7836088722.

Adding to 220112120 its reverse (21211022), we get a palindrome (241323142).

The spelling of 220112120 in words is "two hundred twenty million, one hundred twelve thousand, one hundred twenty".