2530820000 has 60 divisors (see below), whose sum is σ = 6226246026. Its totient is φ = 1012320000.

The previous prime is 2530819999. The next prime is 2530820003. The reversal of 2530820000 is 280352.

It can be written as a sum of positive squares in 5 ways, for example, as 389351824 + 2141468176 = 19732^2 + 46276^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2530820003) 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 9 ways as a sum of consecutive naturals, for example, 43271 + ... + 83270.

Almost surely, 2^2530820000 is an apocalyptic number.

2530820000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530820000 is an abundant number, since it is smaller than the sum of its proper divisors (3695426026).

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

2530820000 is an equidigital number, since it uses as much as digits as its factorization.

2530820000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126571 (or 126548 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2530820000 is about 50307.2559378863. The cubic root of 2530820000 is about 1362.7632687126.

The spelling of 2530820000 in words is "two billion, five hundred thirty million, eight hundred twenty thousand".