130020400 has 30 divisors (see below), whose sum is σ = 312374972. Its totient is φ = 52008000.

The previous prime is 130020361. The next prime is 130020421. The reversal of 130020400 is 4020031.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 5 ways as a sum of consecutive naturals, for example, 162126 + ... + 162925.

Almost surely, 2^130020400 is an apocalyptic number.

130020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130020400 is an abundant number, since it is smaller than the sum of its proper divisors (182354572).

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

130020400 is a wasteful number, since it uses less digits than its factorization.

130020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325069 (or 325058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 130020400 is about 11402.6488150780. The cubic root of 130020400 is about 506.6061985393.

Adding to 130020400 its reverse (4020031), we get a palindrome (134040431).

The spelling of 130020400 in words is "one hundred thirty million, twenty thousand, four hundred".