20926072504747 has 2 divisors, whose sum is σ = 20926072504748. Its totient is φ = 20926072504746.

The previous prime is 20926072504717. The next prime is 20926072504793. The reversal of 20926072504747 is 74740527062902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20926072504747 - 2⁷ = 20926072504619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20926072504717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10463036252373 + 10463036252374.

It is an arithmetic number, because the mean of its divisors is an integer number (10463036252374).

Almost surely, 2^{20926072504747} is an apocalyptic number.

20926072504747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20926072504747 is an equidigital number, since it uses as much as digits as its factorization.

20926072504747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 20926072504747 in words is "twenty trillion, nine hundred twenty-six billion, seventy-two million, five hundred four thousand, seven hundred forty-seven".