20940712059739 has 2 divisors, whose sum is σ = 20940712059740. Its totient is φ = 20940712059738.

The previous prime is 20940712059731. The next prime is 20940712059853. The reversal of 20940712059739 is 93795021704902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20940712059739 - 2³ = 20940712059731 is a prime.

It is not a weakly prime, because it can be changed into another prime (20940712059731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10470356029869 + 10470356029870.

It is an arithmetic number, because the mean of its divisors is an integer number (10470356029870).

Almost surely, 2^{20940712059739} is an apocalyptic number.

20940712059739 is a deficient number, since it is larger than the sum of its proper divisors (1).

20940712059739 is an equidigital number, since it uses as much as digits as its factorization.

20940712059739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 20940712059739 in words is "twenty trillion, nine hundred forty billion, seven hundred twelve million, fifty-nine thousand, seven hundred thirty-nine".