2520668231 has 8 divisors (see below), whose sum is σ = 2664441600. Its totient is φ = 2378005560.

The previous prime is 2520668219. The next prime is 2520668243. The reversal of 2520668231 is 1328660252.

2520668231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2520668219) and next prime (2520668243).

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

It is a cyclic number.

It is not a de Polignac number, because 2520668231 - 2⁶ = 2520668167 is a prime.

It is a super-2 number, since 2×2520668231² = 12707536661545338722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520668191 and 2520668200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520662231) 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, 273005 + ... + 282086.

It is an arithmetic number, because the mean of its divisors is an integer number (333055200).

Almost surely, 2^2520668231 is an apocalyptic number.

2520668231 is a deficient number, since it is larger than the sum of its proper divisors (143773369).

2520668231 is a wasteful number, since it uses less digits than its factorization.

2520668231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555349.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2520668231 is about 50206.2568909494. The cubic root of 2520668231 is about 1360.9386957688.

The spelling of 2520668231 in words is "two billion, five hundred twenty million, six hundred sixty-eight thousand, two hundred thirty-one".