20344500344525 has 12 divisors (see below), whose sum is σ = 28831063345632. Its totient is φ = 13950514521840.

The previous prime is 20344500344503. The next prime is 20344500344533. The reversal of 20344500344525 is 52544300544302.

It is not a de Polignac number, because 20344500344525 - 2¹⁰ = 20344500343501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58127143667 + ... + 58127144016.

It is an arithmetic number, because the mean of its divisors is an integer number (2402588612136).

Almost surely, 2^{20344500344525} is an apocalyptic number.

20344500344525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20344500344525 is a deficient number, since it is larger than the sum of its proper divisors (8486563001107).

20344500344525 is a wasteful number, since it uses less digits than its factorization.

20344500344525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116254287700 (or 116254287695 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 20344500344525 its reverse (52544300544302), we get a palindrome (72888800888827).

The spelling of 20344500344525 in words is "twenty trillion, three hundred forty-four billion, five hundred million, three hundred forty-four thousand, five hundred twenty-five".