20466713 has 2 divisors, whose sum is σ = 20466714. Its totient is φ = 20466712.

The previous prime is 20466701. The next prime is 20466731. The reversal of 20466713 is 31766402.

Together with next prime (20466731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20313049 + 153664 = 4507^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 20466713 - 2⁴ = 20466697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20466763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233356 + 10233357.

It is an arithmetic number, because the mean of its divisors is an integer number (10233357).

Almost surely, 2^20466713 is an apocalyptic number.

It is an amenable number.

20466713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20466713 is an equidigital number, since it uses as much as digits as its factorization.

20466713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20466713 is about 4524.0151414424. The cubic root of 20466713 is about 273.5369708284.

The spelling of 20466713 in words is "twenty million, four hundred sixty-six thousand, seven hundred thirteen".