130544220 has 24 divisors (see below), whose sum is σ = 365523984. Its totient is φ = 34811776.

The previous prime is 130544203. The next prime is 130544233. The reversal of 130544220 is 22445031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087809 + ... + 1087928.

It is an arithmetic number, because the mean of its divisors is an integer number (15230166).

Almost surely, 2^130544220 is an apocalyptic number.

130544220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130544220 is an abundant number, since it is smaller than the sum of its proper divisors (234979764).

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

130544220 is a wasteful number, since it uses less digits than its factorization.

130544220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175749 (or 2175747 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 130544220 is about 11425.5949516863. The cubic root of 130544220 is about 507.2856172659.

Adding to 130544220 its reverse (22445031), we get a palindrome (152989251).

The spelling of 130544220 in words is "one hundred thirty million, five hundred forty-four thousand, two hundred twenty".