20742714545713 has 4 divisors (see below), whose sum is σ = 20743459455040. Its totient is φ = 20741969636388.

The previous prime is 20742714545711. The next prime is 20742714545753. The reversal of 20742714545713 is 31754541724702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20742714545713 - 2¹ = 20742714545711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20742714545711) 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, 372412893 + ... + 372468586.

It is an arithmetic number, because the mean of its divisors is an integer number (5185864863760).

Almost surely, 2^{20742714545713} is an apocalyptic number.

It is an amenable number.

20742714545713 is a deficient number, since it is larger than the sum of its proper divisors (744909327).

20742714545713 is an equidigital number, since it uses as much as digits as its factorization.

20742714545713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744909326.

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 20742714545713 in words is "twenty trillion, seven hundred forty-two billion, seven hundred fourteen million, five hundred forty-five thousand, seven hundred thirteen".