20354324110625 has 20 divisors (see below), whose sum is σ = 25501173012480. Its totient is φ = 16240943538000.

The previous prime is 20354324110619. The next prime is 20354324110649. The reversal of 20354324110625 is 52601142345302.

It is not a de Polignac number, because 20354324110625 - 2²⁶ = 20354257001761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42276185 + ... + 42754934.

It is an arithmetic number, because the mean of its divisors is an integer number (1275058650624).

Almost surely, 2^{20354324110625} is an apocalyptic number.

20354324110625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20354324110625 is a deficient number, since it is larger than the sum of its proper divisors (5146848901855).

20354324110625 is an frugal number, since it uses more digits than its factorization.

20354324110625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85031522 (or 85031507 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 20354324110625 its reverse (52601142345302), we get a palindrome (72955466455927).

The spelling of 20354324110625 in words is "twenty trillion, three hundred fifty-four billion, three hundred twenty-four million, one hundred ten thousand, six hundred twenty-five".