20333013079 has 2 divisors, whose sum is σ = 20333013080. Its totient is φ = 20333013078.

The previous prime is 20333013073. The next prime is 20333013143. The reversal of 20333013079 is 97031033302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333013079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20333013079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333013073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166506539 + 10166506540.

It is an arithmetic number, because the mean of its divisors is an integer number (10166506540).

Almost surely, 2^20333013079 is an apocalyptic number.

20333013079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333013079 is an equidigital number, since it uses as much as digits as its factorization.

20333013079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 31.

The spelling of 20333013079 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, seventy-nine".