2520202531 has 16 divisors (see below), whose sum is σ = 3143490048. Its totient is φ = 1962907200.

The previous prime is 2520202513. The next prime is 2520202547. The reversal of 2520202531 is 1352020252.

It is a cyclic number.

It is not a de Polignac number, because 2520202531 - 2⁵ = 2520202499 is a prime.

It is a super-2 number, since 2×2520202531² = 12702841594517611922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520202831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202711 + ... + 214783.

It is an arithmetic number, because the mean of its divisors is an integer number (196468128).

Almost surely, 2^2520202531 is an apocalyptic number.

2520202531 is a deficient number, since it is larger than the sum of its proper divisors (623287517).

2520202531 is a wasteful number, since it uses less digits than its factorization.

2520202531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802.

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

The square root of 2520202531 is about 50201.6188085603. The cubic root of 2520202531 is about 1360.8548782876.

Adding to 2520202531 its reverse (1352020252), we get a palindrome (3872222783).

The spelling of 2520202531 in words is "two billion, five hundred twenty million, two hundred two thousand, five hundred thirty-one".