20926072504793 has 2 divisors, whose sum is σ = 20926072504794. Its totient is φ = 20926072504792.

The previous prime is 20926072504747. The next prime is 20926072504817. The reversal of 20926072504793 is 39740527062902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17392544770969 + 3533527733824 = 4170437^2 + 1879768^2 .

It is a cyclic number.

It is not a de Polignac number, because 20926072504793 - 2¹⁰ = 20926072503769 is a prime.

It is not a weakly prime, because it can be changed into another prime (20923072504793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10463036252396 + 10463036252397.

It is an arithmetic number, because the mean of its divisors is an integer number (10463036252397).

Almost surely, 2^{20926072504793} is an apocalyptic number.

It is an amenable number.

20926072504793 is a deficient number, since it is larger than the sum of its proper divisors (1).

20926072504793 is an equidigital number, since it uses as much as digits as its factorization.

20926072504793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 20926072504793 in words is "twenty trillion, nine hundred twenty-six billion, seventy-two million, five hundred four thousand, seven hundred ninety-three".