130420620 has 144 divisors (see below), whose sum is σ = 435052800. Its totient is φ = 31363200.

The previous prime is 130420607. The next prime is 130420637. The reversal of 130420620 is 26024031.

It is a happy number.

130420620 is a `hidden beast` number, since 1 + 3 + 0 + 42 + 0 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130420593 and 130420602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393855 + ... + 394185.

It is an arithmetic number, because the mean of its divisors is an integer number (3021200).

Almost surely, 2^130420620 is an apocalyptic number.

130420620 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 130420620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217526400).

130420620 is an abundant number, since it is smaller than the sum of its proper divisors (304632180).

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

130420620 is a wasteful number, since it uses less digits than its factorization.

130420620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130420620 is about 11420.1847620781. The cubic root of 130420620 is about 507.1254664217.

Adding to 130420620 its reverse (26024031), we get a palindrome (156444651).

The spelling of 130420620 in words is "one hundred thirty million, four hundred twenty thousand, six hundred twenty".