120516220 has 96 divisors (see below), whose sum is σ = 292626432. Its totient is φ = 41280000.

The previous prime is 120516203. The next prime is 120516233. The reversal of 120516220 is 22615021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279405 + ... + 279835.

It is an arithmetic number, because the mean of its divisors is an integer number (3048192).

Almost surely, 2^120516220 is an apocalyptic number.

120516220 is a gapful number since it is divisible by the number (10) 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 120516220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146313216).

120516220 is an abundant number, since it is smaller than the sum of its proper divisors (172110212).

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

120516220 is a wasteful number, since it uses less digits than its factorization.

120516220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120516220 is about 10977.9879759453. The cubic root of 120516220 is about 493.9486853002.

The spelling of 120516220 in words is "one hundred twenty million, five hundred sixteen thousand, two hundred twenty".