20323343115025 has 24 divisors (see below), whose sum is σ = 25333850101248. Its totient is φ = 16172936040000.

The previous prime is 20323343115011. The next prime is 20323343115037. The reversal of 20323343115025 is 52051134332302.

It is not a de Polignac number, because 20323343115025 - 2¹¹ = 20323343112977 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 23 ways as a sum of consecutive naturals, for example, 157945215 + ... + 158073835.

It is an arithmetic number, because the mean of its divisors is an integer number (1055577087552).

Almost surely, 2^{20323343115025} is an apocalyptic number.

20323343115025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20323343115025 is a deficient number, since it is larger than the sum of its proper divisors (5010506986223).

20323343115025 is a wasteful number, since it uses less digits than its factorization.

20323343115025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161913 (or 161908 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 20323343115025 its reverse (52051134332302), we get a palindrome (72374477447327).

The spelling of 20323343115025 in words is "twenty trillion, three hundred twenty-three billion, three hundred forty-three million, one hundred fifteen thousand, twenty-five".