20310253000 has 32 divisors (see below), whose sum is σ = 47525994360. Its totient is φ = 8124100800.

The previous prime is 20310252983. The next prime is 20310253049. The reversal of 20310253000 is 35201302.

It can be written as a sum of positive squares in 4 ways, for example, as 3817015524 + 16493237476 = 61782^2 + 128426^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154127 + ... + 10156126.

Almost surely, 2^20310253000 is an apocalyptic number.

20310253000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310253000 is an abundant number, since it is smaller than the sum of its proper divisors (27215741360).

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

20310253000 is a wasteful number, since it uses less digits than its factorization.

20310253000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310274 (or 20310260 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 20310253000 its reverse (35201302), we get a palindrome (20345454302).

The spelling of 20310253000 in words is "twenty billion, three hundred ten million, two hundred fifty-three thousand".