2520620320 has 24 divisors (see below), whose sum is σ = 5954965884. Its totient is φ = 1008248064.

The previous prime is 2520620287. The next prime is 2520620321. The reversal of 2520620320 is 230260252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2493204624 + 27415696 = 49932^2 + 5236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2520620291 and 2520620300.

It is not an unprimeable number, because it can be changed into a prime (2520620321) 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, 7876779 + ... + 7877098.

Almost surely, 2^2520620320 is an apocalyptic number.

2520620320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520620320 is an abundant number, since it is smaller than the sum of its proper divisors (3434345564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520620320 is a wasteful number, since it uses less digits than its factorization.

2520620320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753892 (or 15753884 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2520620320 is about 50205.7797469574. The cubic root of 2520620320 is about 1360.9300731416.

Adding to 2520620320 its reverse (230260252), we get a palindrome (2750880572).

The spelling of 2520620320 in words is "two billion, five hundred twenty million, six hundred twenty thousand, three hundred twenty".