120563620 has 24 divisors (see below), whose sum is σ = 253915704. Its totient is φ = 48086016.

The previous prime is 120563603. The next prime is 120563621. The reversal of 120563620 is 26365021.

It can be written as a sum of positive squares in 4 ways, for example, as 6885376 + 113678244 = 2624^2 + 10662^2 .

It is not an unprimeable number, because it can be changed into a prime (120563621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 15598.

It is an arithmetic number, because the mean of its divisors is an integer number (10579821).

Almost surely, 2^120563620 is an apocalyptic number.

120563620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120563620 is an abundant number, since it is smaller than the sum of its proper divisors (133352084).

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

120563620 is a wasteful number, since it uses less digits than its factorization.

120563620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439 (or 17437 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 120563620 is about 10980.1466292577. The cubic root of 120563620 is about 494.0134348109.

The spelling of 120563620 in words is "one hundred twenty million, five hundred sixty-three thousand, six hundred twenty".