130820524 has 24 divisors (see below), whose sum is σ = 233271360. Its totient is φ = 64182144.

The previous prime is 130820519. The next prime is 130820561. The reversal of 130820524 is 425028031.

It is a super-2 number, since 2×130820524² = 34228018999269152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53472 + ... + 55864.

It is an arithmetic number, because the mean of its divisors is an integer number (9719640).

Almost surely, 2^130820524 is an apocalyptic number.

It is an amenable number.

130820524 is a deficient number, since it is larger than the sum of its proper divisors (102450836).

130820524 is a wasteful number, since it uses less digits than its factorization.

130820524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 130820524 is about 11437.6800095124. The cubic root of 130820524 is about 507.6432643332.

Adding to 130820524 its reverse (425028031), we get a palindrome (555848555).

The spelling of 130820524 in words is "one hundred thirty million, eight hundred twenty thousand, five hundred twenty-four".