20392635713 has 2 divisors, whose sum is σ = 20392635714. Its totient is φ = 20392635712.

The previous prime is 20392635661. The next prime is 20392635737. The reversal of 20392635713 is 31753629302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19289598769 + 1103036944 = 138887^2 + 33212^2 .

It is a cyclic number.

It is not a de Polignac number, because 20392635713 - 2¹² = 20392631617 is a prime.

It is not a weakly prime, because it can be changed into another prime (20392632713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10196317856 + 10196317857.

It is an arithmetic number, because the mean of its divisors is an integer number (10196317857).

Almost surely, 2^20392635713 is an apocalyptic number.

It is an amenable number.

20392635713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20392635713 is an equidigital number, since it uses as much as digits as its factorization.

20392635713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 20392635713 in words is "twenty billion, three hundred ninety-two million, six hundred thirty-five thousand, seven hundred thirteen".