20310299823025 has 9 divisors (see below), whose sum is σ = 25184799722091. Its totient is φ = 16248221831640.

The previous prime is 20310299823013. The next prime is 20310299823059. The reversal of 20310299823025 is 52032899201302.

The square root of 20310299823025 is 4506695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7311707936289 + 12998591886736 = 2704017^2 + 3605356^2 .

It is not a de Polignac number, because 20310299823025 - 2⁹ = 20310299822513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22082806 + ... + 22984144.

Almost surely, 2^{20310299823025} is an apocalyptic number.

20310299823025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20310299823025 is the 4506695-th square number.

20310299823025 is the 2253348-th centered octagonal number.

It is an amenable number.

20310299823025 is a deficient number, since it is larger than the sum of its proper divisors (4874499899066).

20310299823025 is an frugal number, since it uses more digits than its factorization.

20310299823025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802688 (or 901344 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 20310299823025 in words is "twenty trillion, three hundred ten billion, two hundred ninety-nine million, eight hundred twenty-three thousand, twenty-five".