130221030320 has 40 divisors (see below), whose sum is σ = 303420736080. Its totient is φ = 51975407360.

The previous prime is 130221030301. The next prime is 130221030337. The reversal of 130221030320 is 23030122031.

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

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, 1728590 + ... + 1802349.

It is an arithmetic number, because the mean of its divisors is an integer number (7585518402).

Almost surely, 2^130221030320 is an apocalyptic number.

130221030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130221030320 is an abundant number, since it is smaller than the sum of its proper divisors (173199705760).

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

130221030320 is a wasteful number, since it uses less digits than its factorization.

130221030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531413 (or 3531407 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 130221030320 its reverse (23030122031), we get a palindrome (153251152351).

The spelling of 130221030320 in words is "one hundred thirty billion, two hundred twenty-one million, thirty thousand, three hundred twenty".