20064682079539 has 2 divisors, whose sum is σ = 20064682079540. Its totient is φ = 20064682079538.

The previous prime is 20064682079513. The next prime is 20064682079549. The reversal of 20064682079539 is 93597028646002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20064682079539 - 2¹⁵ = 20064682046771 is a prime.

It is not a weakly prime, because it can be changed into another prime (20064682079549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032341039769 + 10032341039770.

It is an arithmetic number, because the mean of its divisors is an integer number (10032341039770).

Almost surely, 2^{20064682079539} is an apocalyptic number.

20064682079539 is a deficient number, since it is larger than the sum of its proper divisors (1).

20064682079539 is an equidigital number, since it uses as much as digits as its factorization.

20064682079539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 20064682079539 in words is "twenty trillion, sixty-four billion, six hundred eighty-two million, seventy-nine thousand, five hundred thirty-nine".