130420344 has 32 divisors (see below), whose sum is σ = 334005840. Its totient is φ = 42412800.

The previous prime is 130420321. The next prime is 130420357. The reversal of 130420344 is 443024031.

It is a super-2 number, since 2×130420344² = 34018932258156672, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 130420344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65287 + ... + 67254.

Almost surely, 2^130420344 is an apocalyptic number.

It is an amenable number.

130420344 is an abundant number, since it is smaller than the sum of its proper divisors (203585496).

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

130420344 is a wasteful number, since it uses less digits than its factorization.

130420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132591 (or 132587 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130420344 is about 11420.1726782041. The cubic root of 130420344 is about 507.1251086901.

Adding to 130420344 its reverse (443024031), we get a palindrome (573444375).

The spelling of 130420344 in words is "one hundred thirty million, four hundred twenty thousand, three hundred forty-four".