120113220 has 48 divisors (see below), whose sum is σ = 347171328. Its totient is φ = 30996480.

The previous prime is 120113219. The next prime is 120113249. The reversal of 120113220 is 22311021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120113196 and 120113205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30429 + ... + 34148.

It is an arithmetic number, because the mean of its divisors is an integer number (7232736).

Almost surely, 2^120113220 is an apocalyptic number.

120113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120113220 is an abundant number, since it is smaller than the sum of its proper divisors (227058108).

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

120113220 is a wasteful number, since it uses less digits than its factorization.

120113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64620 (or 64618 counting only the distinct ones).

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

The square root of 120113220 is about 10959.6176940621. The cubic root of 120113220 is about 493.3974908444.

Adding to 120113220 its reverse (22311021), we get a palindrome (142424241).

The spelling of 120113220 in words is "one hundred twenty million, one hundred thirteen thousand, two hundred twenty".