220013112 has 64 divisors (see below), whose sum is σ = 614021760. Its totient is φ = 65116800.

The previous prime is 220013089. The next prime is 220013113. The reversal of 220013112 is 211310022.

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 (220013113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662 + ... + 21042.

It is an arithmetic number, because the mean of its divisors is an integer number (9594090).

Almost surely, 2^220013112 is an apocalyptic number.

220013112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220013112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307010880).

220013112 is an abundant number, since it is smaller than the sum of its proper divisors (394008648).

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

220013112 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 220013112 = (103212120)₁₁.

220013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444 (or 19440 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 220013112 is about 14832.8389730355. The cubic root of 220013112 is about 603.6930665722.

Adding to 220013112 its reverse (211310022), we get a palindrome (431323134).

The spelling of 220013112 in words is "two hundred twenty million, thirteen thousand, one hundred twelve".