20315245295 has 32 divisors (see below), whose sum is σ = 25474673664. Its totient is φ = 15538723200.

The previous prime is 20315245241. The next prime is 20315245297. The reversal of 20315245295 is 59254251302.

It is not a de Polignac number, because 20315245295 - 2²⁴ = 20298468079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315245297) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5593130 + ... + 5596760.

It is an arithmetic number, because the mean of its divisors is an integer number (796083552).

Almost surely, 2^20315245295 is an apocalyptic number.

20315245295 is a deficient number, since it is larger than the sum of its proper divisors (5159428369).

20315245295 is a wasteful number, since it uses less digits than its factorization.

20315245295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 20315245295 its reverse (59254251302), we get a palindrome (79569496597).

The spelling of 20315245295 in words is "twenty billion, three hundred fifteen million, two hundred forty-five thousand, two hundred ninety-five".