2520120253 has 8 divisors (see below), whose sum is σ = 2883306240. Its totient is φ = 2157726480.

The previous prime is 2520120247. The next prime is 2520120257. The reversal of 2520120253 is 3520210252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520120253 - 2⁹ = 2520119741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520120257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191218 + ... + 203971.

It is an arithmetic number, because the mean of its divisors is an integer number (360413280).

Almost surely, 2^2520120253 is an apocalyptic number.

It is an amenable number.

2520120253 is a deficient number, since it is larger than the sum of its proper divisors (363185987).

2520120253 is an equidigital number, since it uses as much as digits as its factorization.

2520120253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396107.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2520120253 is about 50200.7993263056. The cubic root of 2520120253 is about 1360.8400686794.

It can be divided in two parts, 25201 and 20253, that added together give a palindrome (45454).

The spelling of 2520120253 in words is "two billion, five hundred twenty million, one hundred twenty thousand, two hundred fifty-three".