20444713 has 2 divisors, whose sum is σ = 20444714. Its totient is φ = 20444712.

The previous prime is 20444707. The next prime is 20444719. The reversal of 20444713 is 31744402.

It is a balanced prime because it is at equal distance from previous prime (20444707) and next prime (20444719).

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 4380649 = 4008^2 + 2093^2 .

It is a cyclic number.

It is not a de Polignac number, because 20444713 - 2²¹ = 18347561 is a prime.

It is not a weakly prime, because it can be changed into another prime (20444719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222356 + 10222357.

It is an arithmetic number, because the mean of its divisors is an integer number (10222357).

Almost surely, 2^20444713 is an apocalyptic number.

It is an amenable number.

20444713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444713 is an equidigital number, since it uses as much as digits as its factorization.

20444713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20444713 is about 4521.5830192533. The cubic root of 20444713 is about 273.4389259224.

The spelling of 20444713 in words is "twenty million, four hundred forty-four thousand, seven hundred thirteen".