2520120113 has 4 divisors (see below), whose sum is σ = 2880137280. Its totient is φ = 2160102948.

The previous prime is 2520120073. The next prime is 2520120121. The reversal of 2520120113 is 3110210252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2520120113 - 2¹⁰ = 2520119089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520120091 and 2520120100.

It is not an unprimeable number, because it can be changed into a prime (2520120413) 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, 180008573 + ... + 180008586.

It is an arithmetic number, because the mean of its divisors is an integer number (720034320).

Almost surely, 2^2520120113 is an apocalyptic number.

It is an amenable number.

2520120113 is a deficient number, since it is larger than the sum of its proper divisors (360017167).

2520120113 is an equidigital number, since it uses as much as digits as its factorization.

2520120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360017166.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2520120113 is about 50200.7979319054. The cubic root of 2520120113 is about 1360.8400434799.

Adding to 2520120113 its reverse (3110210252), we get a palindrome (5630330365).

The spelling of 2520120113 in words is "two billion, five hundred twenty million, one hundred twenty thousand, one hundred thirteen".