130202320 has 40 divisors (see below), whose sum is σ = 320530824. Its totient is φ = 49016832.

The previous prime is 130202299. The next prime is 130202351. The reversal of 130202320 is 23202031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68359824 + 61842496 = 8268^2 + 7864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×130202320³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130202320.

It is a congruent number.

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, 46509 + ... + 49228.

Almost surely, 2^130202320 is an apocalyptic number.

130202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130202320 is an abundant number, since it is smaller than the sum of its proper divisors (190328504).

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

130202320 is a wasteful number, since it uses less digits than its factorization.

130202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95767 (or 95761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 130202320 is about 11410.6231205837. The cubic root of 130202320 is about 506.8423636586.

Adding to 130202320 its reverse (23202031), we get a palindrome (153404351).

The spelling of 130202320 in words is "one hundred thirty million, two hundred two thousand, three hundred twenty".