2520203520 has 72 divisors (see below), whose sum is σ = 8048912256. Its totient is φ = 672053248.

The previous prime is 2520203509. The next prime is 2520203531. The reversal of 2520203520 is 253020252.

It is an interprime number because it is at equal distance from previous prime (2520203509) and next prime (2520203531).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324312 + ... + 331991.

It is an arithmetic number, because the mean of its divisors is an integer number (111790448).

Almost surely, 2^2520203520 is an apocalyptic number.

2520203520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520203520 is an abundant number, since it is smaller than the sum of its proper divisors (5528708736).

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

2520203520 is an equidigital number, since it uses as much as digits as its factorization.

2520203520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656327 (or 656313 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2520203520 is about 50201.6286588393. The cubic root of 2520203520 is about 1360.8550563005.

Adding to 2520203520 its reverse (253020252), we get a palindrome (2773223772).

The spelling of 2520203520 in words is "two billion, five hundred twenty million, two hundred three thousand, five hundred twenty".