130020 has 48 divisors (see below), whose sum is σ = 399168. Its totient is φ = 31360.

The previous prime is 130003. The next prime is 130021. The reversal of 130020 is 20031.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 129990 and 130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021) by changing a digit.

130020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2¹³⁰⁰²⁰ is an apocalyptic number.

130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199584).

130020 is an abundant number, since it is smaller than the sum of its proper divisors (269148).

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

130020 is a wasteful number, since it uses less digits than its factorization.

130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 130020 is about 360.5828614896. The cubic root of 130020 is about 50.6605679024.

Adding to 130020 its reverse (20031), we get a palindrome (150051).

The spelling of 130020 in words is "one hundred thirty thousand, twenty".