130508020 has 24 divisors (see below), whose sum is σ = 274282344. Its totient is φ = 52162176.

The previous prime is 130507987. The next prime is 130508023. The reversal of 130508020 is 20805031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16744464 + 113763556 = 4092^2 + 10666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130508023) 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, 45262 + ... + 48058.

It is an arithmetic number, because the mean of its divisors is an integer number (11428431).

Almost surely, 2^130508020 is an apocalyptic number.

130508020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130508020 is an abundant number, since it is smaller than the sum of its proper divisors (143774324).

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

130508020 is a wasteful number, since it uses less digits than its factorization.

130508020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139 (or 5137 counting only the distinct ones).

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

The square root of 130508020 is about 11424.0106792667. The cubic root of 130508020 is about 507.2387227167.

The spelling of 130508020 in words is "one hundred thirty million, five hundred eight thousand, twenty".