220220112 has 120 divisors (see below), whose sum is σ = 668632800. Its totient is φ = 62270208.

The previous prime is 220220111. The next prime is 220220137. The reversal of 220220112 is 211022022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255939 + ... + 256797.

It is an arithmetic number, because the mean of its divisors is an integer number (5571940).

Almost surely, 2^220220112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334316400).

220220112 is an abundant number, since it is smaller than the sum of its proper divisors (448412688).

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

220220112 is a wasteful number, since it uses less digits than its factorization.

220220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 980 counting only the distinct ones).

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

The square root of 220220112 is about 14839.8150931877. The cubic root of 220220112 is about 603.8823360405.

Adding to 220220112 its reverse (211022022), we get a palindrome (431242134).

The spelling of 220220112 in words is "two hundred twenty million, two hundred twenty thousand, one hundred twelve".