20345032242365 has 16 divisors (see below), whose sum is σ = 24431586840576. Its totient is φ = 16264327900800.

The previous prime is 20345032242341. The next prime is 20345032242371. The reversal of 20345032242365 is 56324223054302.

It is not a de Polignac number, because 20345032242365 - 2²⁶ = 20344965133501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 310944044 + ... + 311009466.

It is an arithmetic number, because the mean of its divisors is an integer number (1526974177536).

Almost surely, 2^{20345032242365} is an apocalyptic number.

It is an amenable number.

20345032242365 is a deficient number, since it is larger than the sum of its proper divisors (4086554598211).

20345032242365 is a wasteful number, since it uses less digits than its factorization.

20345032242365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109180.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 20345032242365 its reverse (56324223054302), we get a palindrome (76669255296667).

The spelling of 20345032242365 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, two hundred forty-two thousand, three hundred sixty-five".