220112112220 has 96 divisors (see below), whose sum is σ = 620623858176. Its totient is φ = 63328953600.

The previous prime is 220112112217. The next prime is 220112112229. The reversal of 220112112220 is 22211211022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220112112194 and 220112112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112112229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5477286 + ... + 5517325.

It is an arithmetic number, because the mean of its divisors is an integer number (6464831856).

Almost surely, 2^220112112220 is an apocalyptic number.

220112112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112112220 is an abundant number, since it is smaller than the sum of its proper divisors (400511745956).

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

220112112220 is a wasteful number, since it uses less digits than its factorization.

220112112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994651 (or 10994649 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220112112220 its reverse (22211211022), we get a palindrome (242323323242).

The spelling of 220112112220 in words is "two hundred twenty billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty".