130344020 has 12 divisors (see below), whose sum is σ = 273722484. Its totient is φ = 52137600.

The previous prime is 130344017. The next prime is 130344023. The reversal of 130344020 is 20443031.

It is an interprime number because it is at equal distance from previous prime (130344017) and next prime (130344023).

It can be written as a sum of positive squares in 2 ways, for example, as 36409156 + 93934864 = 6034^2 + 9692^2 .

It is a super-3 number, since 3×130344020³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130344020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130344023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258581 + ... + 3258620.

It is an arithmetic number, because the mean of its divisors is an integer number (22810207).

Almost surely, 2^130344020 is an apocalyptic number.

130344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130344020 is an abundant number, since it is smaller than the sum of its proper divisors (143378464).

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

130344020 is a wasteful number, since it uses less digits than its factorization.

130344020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517210 (or 6517208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130344020 is about 11416.8305584343. The cubic root of 130344020 is about 507.0261635704.

Adding to 130344020 its reverse (20443031), we get a palindrome (150787051).

The spelling of 130344020 in words is "one hundred thirty million, three hundred forty-four thousand, twenty".