220120112 has 20 divisors (see below), whose sum is σ = 432327240. Its totient is φ = 108551808.

The previous prime is 220120081. The next prime is 220120127. The reversal of 220120112 is 211021022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220120093 and 220120102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93062 + ... + 95397.

It is an arithmetic number, because the mean of its divisors is an integer number (21616362).

Almost surely, 2^220120112 is an apocalyptic number.

It is an amenable number.

220120112 is a deficient number, since it is larger than the sum of its proper divisors (212207128).

220120112 is a wasteful number, since it uses less digits than its factorization.

220120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188540 (or 188534 counting only the distinct ones).

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

The square root of 220120112 is about 14836.4453963879. The cubic root of 220120112 is about 603.7909163302.

Adding to 220120112 its reverse (211021022), we get a palindrome (431141134).

The spelling of 220120112 in words is "two hundred twenty million, one hundred twenty thousand, one hundred twelve".