130232320 has 52 divisors (see below), whose sum is σ = 312568560. Its totient is φ = 52084736.

The previous prime is 130232317. The next prime is 130232351. The reversal of 130232320 is 23232031.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130232294 and 130232303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17301 + ... + 23659.

Almost surely, 2^130232320 is an apocalyptic number.

130232320 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 130232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156284280).

130232320 is an abundant number, since it is smaller than the sum of its proper divisors (182336240).

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

130232320 is an frugal number, since it uses more digits than its factorization.

130232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 130232320 is about 11411.9376093633. The cubic root of 130232320 is about 506.8812879605.

Adding to 130232320 its reverse (23232031), we get a palindrome (153464351).

The spelling of 130232320 in words is "one hundred thirty million, two hundred thirty-two thousand, three hundred twenty".