130620404 has 24 divisors (see below), whose sum is σ = 241895808. Its totient is φ = 61587680.

The previous prime is 130620361. The next prime is 130620407. The reversal of 130620404 is 404026031.

It is a happy number.

It is a super-2 number, since 2×130620404² = 34123379882246432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130620407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467 + ... + 16530.

It is an arithmetic number, because the mean of its divisors is an integer number (10078992).

Almost surely, 2^130620404 is an apocalyptic number.

It is an amenable number.

130620404 is a deficient number, since it is larger than the sum of its proper divisors (111275404).

130620404 is a wasteful number, since it uses less digits than its factorization.

130620404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20095 (or 20093 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130620404 is about 11428.9283837112. The cubic root of 130620404 is about 507.3842799564.

Adding to 130620404 its reverse (404026031), we get a palindrome (534646435).

The spelling of 130620404 in words is "one hundred thirty million, six hundred twenty thousand, four hundred four".