20316713 has 2 divisors, whose sum is σ = 20316714. Its totient is φ = 20316712.

The previous prime is 20316701. The next prime is 20316761. The reversal of 20316713 is 31761302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15936064 + 4380649 = 3992^2 + 2093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20316713 is a prime.

It is not a weakly prime, because it can be changed into another prime (20316113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158356 + 10158357.

It is an arithmetic number, because the mean of its divisors is an integer number (10158357).

Almost surely, 2^20316713 is an apocalyptic number.

It is an amenable number.

20316713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20316713 is an equidigital number, since it uses as much as digits as its factorization.

20316713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20316713 is about 4507.4064604826. The cubic root of 20316713 is about 272.8670832078.

The spelling of 20316713 in words is "twenty million, three hundred sixteen thousand, seven hundred thirteen".