130476820 has 12 divisors (see below), whose sum is σ = 274001364. Its totient is φ = 52190720.

The previous prime is 130476811. The next prime is 130476823. The reversal of 130476820 is 28674031.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 113976976 = 4062^2 + 10676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130476823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261901 + ... + 3261940.

It is an arithmetic number, because the mean of its divisors is an integer number (22833447).

Almost surely, 2^130476820 is an apocalyptic number.

130476820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130476820 is an abundant number, since it is smaller than the sum of its proper divisors (143524544).

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

130476820 is a wasteful number, since it uses less digits than its factorization.

130476820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523850 (or 6523848 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 130476820 is about 11422.6450527012. The cubic root of 130476820 is about 507.1982983570.

The spelling of 130476820 in words is "one hundred thirty million, four hundred seventy-six thousand, eight hundred twenty".