20347410245 has 16 divisors (see below), whose sum is σ = 26180444160. Its totient is φ = 15126468864.

The previous prime is 20347410227. The next prime is 20347410323. The reversal of 20347410245 is 54201474302.

It is a cyclic number.

It is not a de Polignac number, because 20347410245 - 2²⁶ = 20280301381 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1508357 + ... + 1521786.

It is an arithmetic number, because the mean of its divisors is an integer number (1636277760).

Almost surely, 2^20347410245 is an apocalyptic number.

It is an amenable number.

20347410245 is a deficient number, since it is larger than the sum of its proper divisors (5833033915).

20347410245 is a wasteful number, since it uses less digits than its factorization.

20347410245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030244.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 20347410245 its reverse (54201474302), we get a palindrome (74548884547).

The spelling of 20347410245 in words is "twenty billion, three hundred forty-seven million, four hundred ten thousand, two hundred forty-five".