130255220 has 24 divisors (see below), whose sum is σ = 276835104. Its totient is φ = 51473696.

The previous prime is 130255219. The next prime is 130255231. The reversal of 130255220 is 22552031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 130255192 and 130255201.

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, 37574 + ... + 40893.

It is an arithmetic number, because the mean of its divisors is an integer number (11534796).

Almost surely, 2^130255220 is an apocalyptic number.

130255220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130255220 is an abundant number, since it is smaller than the sum of its proper divisors (146579884).

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

130255220 is a wasteful number, since it uses less digits than its factorization.

130255220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78559 (or 78557 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 130255220 is about 11412.9409005742. The cubic root of 130255220 is about 506.9109961548.

The spelling of 130255220 in words is "one hundred thirty million, two hundred fifty-five thousand, two hundred twenty".