130420 has 12 divisors (see below), whose sum is σ = 273924. Its totient is φ = 52160.

The previous prime is 130411. The next prime is 130423. The reversal of 130420 is 24031.

It can be written as a sum of positive squares in 2 ways, for example, as 88804 + 41616 = 298^2 + 204^2 .

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 130397 and 130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (22827).

2¹³⁰⁴²⁰ is an apocalyptic number.

130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130420 is an abundant number, since it is smaller than the sum of its proper divisors (143504).

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

130420 is a wasteful number, since it uses less digits than its factorization.

130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530 (or 6528 counting only the distinct ones).

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

The square root of 130420 is about 361.1370930824. The cubic root of 130420 is about 50.7124662821.

Adding to 130420 its reverse (24031), we get a palindrome (154451).

The spelling of 130420 in words is "one hundred thirty thousand, four hundred twenty".