20926072504759 has 4 divisors (see below), whose sum is σ = 21111258987216. Its totient is φ = 20740886022304.

The previous prime is 20926072504747. The next prime is 20926072504793. The reversal of 20926072504759 is 95740527062902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20926072504759 - 2¹⁵ = 20926072471991 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20926072504709) 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, 92593241059 + ... + 92593241284.

It is an arithmetic number, because the mean of its divisors is an integer number (5277814746804).

Almost surely, 2^{20926072504759} is an apocalyptic number.

20926072504759 is a deficient number, since it is larger than the sum of its proper divisors (185186482457).

20926072504759 is a wasteful number, since it uses less digits than its factorization.

20926072504759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185186482456.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 20926072504759 in words is "twenty trillion, nine hundred twenty-six billion, seventy-two million, five hundred four thousand, seven hundred fifty-nine".