20605120606079 has 2 divisors, whose sum is σ = 20605120606080. Its totient is φ = 20605120606078.

The previous prime is 20605120606033. The next prime is 20605120606099. The reversal of 20605120606079 is 97060602150602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20605120606079 is a prime.

It is a super-2 number, since 2×20605120606079² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20605120606099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10302560303039 + 10302560303040.

It is an arithmetic number, because the mean of its divisors is an integer number (10302560303040).

Almost surely, 2^{20605120606079} is an apocalyptic number.

20605120606079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20605120606079 is an equidigital number, since it uses as much as digits as its factorization.

20605120606079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 20605120606079 in words is "twenty trillion, six hundred five billion, one hundred twenty million, six hundred six thousand, seventy-nine".