130520620 has 24 divisors (see below), whose sum is σ = 275781744. Its totient is φ = 51886656.

The previous prime is 130520603. The next prime is 130520627. The reversal of 130520620 is 26025031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130520627) 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, 16759 + ... + 23278.

It is an arithmetic number, because the mean of its divisors is an integer number (11490906).

Almost surely, 2^130520620 is an apocalyptic number.

130520620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130520620 is an abundant number, since it is smaller than the sum of its proper divisors (145261124).

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

130520620 is a wasteful number, since it uses less digits than its factorization.

130520620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209 (or 40207 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130520620 is about 11424.5621360295. The cubic root of 130520620 is about 507.2550461126.

Adding to 130520620 its reverse (26025031), we get a palindrome (156545651).

The spelling of 130520620 in words is "one hundred thirty million, five hundred twenty thousand, six hundred twenty".