20346242725727 has 4 divisors (see below), whose sum is σ = 20346251747136. Its totient is φ = 20346233704320.

The previous prime is 20346242725723. The next prime is 20346242725733. The reversal of 20346242725727 is 72752724264302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20346242725727 - 2² = 20346242725723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346242725723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233727 + ... + 6758847.

It is an arithmetic number, because the mean of its divisors is an integer number (5086562936784).

Almost surely, 2^{20346242725727} is an apocalyptic number.

20346242725727 is a deficient number, since it is larger than the sum of its proper divisors (9021409).

20346242725727 is an equidigital number, since it uses as much as digits as its factorization.

20346242725727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021408.

The product of its (nonzero) digits is 15805440, while the sum is 53.

The spelling of 20346242725727 in words is "twenty trillion, three hundred forty-six billion, two hundred forty-two million, seven hundred twenty-five thousand, seven hundred twenty-seven".