20065313 has 2 divisors, whose sum is σ = 20065314. Its totient is φ = 20065312.

The previous prime is 20065307. The next prime is 20065319. The reversal of 20065313 is 31356002.

It is a balanced prime because it is at equal distance from previous prime (20065307) and next prime (20065319).

It can be written as a sum of positive squares in only one way, i.e., 14077504 + 5987809 = 3752^2 + 2447^2 .

It is a cyclic number.

It is not a de Polignac number, because 20065313 - 2⁶ = 20065249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20065319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032656 + 10032657.

It is an arithmetic number, because the mean of its divisors is an integer number (10032657).

Almost surely, 2^20065313 is an apocalyptic number.

It is an amenable number.

20065313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20065313 is an equidigital number, since it uses as much as digits as its factorization.

20065313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 20065313 is about 4479.4322184848. The cubic root of 20065313 is about 271.7369185289.

The spelling of 20065313 in words is "twenty million, sixty-five thousand, three hundred thirteen".