130204432 has 20 divisors (see below), whose sum is σ = 260971020. Its totient is φ = 62857088.

The previous prime is 130204427. The next prime is 130204457. The reversal of 130204432 is 234402031.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 108076816 = 4704^2 + 10396^2 .

It is a super-2 number, since 2×130204432² = 33906388224885248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139843 + ... + 140770.

It is an arithmetic number, because the mean of its divisors is an integer number (13048551).

Almost surely, 2^130204432 is an apocalyptic number.

It is an amenable number.

130204432 is an abundant number, since it is smaller than the sum of its proper divisors (130766588).

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

130204432 is a wasteful number, since it uses less digits than its factorization.

130204432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280650 (or 280644 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 130204432 is about 11410.7156655488. The cubic root of 130204432 is about 506.8451041251.

Adding to 130204432 its reverse (234402031), we get a palindrome (364606463).

The spelling of 130204432 in words is "one hundred thirty million, two hundred four thousand, four hundred thirty-two".