2520120241 has 4 divisors (see below), whose sum is σ = 2523124800. Its totient is φ = 2517115684.

The previous prime is 2520120223. The next prime is 2520120247. The reversal of 2520120241 is 1420210252.

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 2520120241 - 2²⁹ = 1983249329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520120247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501021 + ... + 1502698.

It is an arithmetic number, because the mean of its divisors is an integer number (630781200).

Almost surely, 2^2520120241 is an apocalyptic number.

It is an amenable number.

2520120241 is a deficient number, since it is larger than the sum of its proper divisors (3004559).

2520120241 is an equidigital number, since it uses as much as digits as its factorization.

2520120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004558.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2520120241 is about 50200.7992067855. The cubic root of 2520120241 is about 1360.8400665195.

Adding to 2520120241 its reverse (1420210252), we get a palindrome (3940330493).

The spelling of 2520120241 in words is "two billion, five hundred twenty million, one hundred twenty thousand, two hundred forty-one".