130220560 has 60 divisors (see below), whose sum is σ = 307684548. Its totient is φ = 51253248.

The previous prime is 130220513. The next prime is 130220567. The reversal of 130220560 is 65022031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1806336 + 128414224 = 1344^2 + 11332^2 .

It is not an unprimeable number, because it can be changed into a prime (130220567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752634 + ... + 752806.

Almost surely, 2^130220560 is an apocalyptic number.

130220560 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 130220560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153842274).

130220560 is an abundant number, since it is smaller than the sum of its proper divisors (177463988).

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

130220560 is an equidigital number, since it uses as much as digits as its factorization.

130220560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130220560 is about 11411.4223478057. The cubic root of 130220560 is about 506.8660303466.

Adding to 130220560 its reverse (65022031), we get a palindrome (195242591).

The spelling of 130220560 in words is "one hundred thirty million, two hundred twenty thousand, five hundred sixty".