20134020079 has 2 divisors, whose sum is σ = 20134020080. Its totient is φ = 20134020078.

The previous prime is 20134020041. The next prime is 20134020107. The reversal of 20134020079 is 97002043102.

It is an a-pointer prime, because the next prime (20134020107) can be obtained adding 20134020079 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20134020079 - 2¹⁵ = 20133987311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134020479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067010039 + 10067010040.

It is an arithmetic number, because the mean of its divisors is an integer number (10067010040).

Almost surely, 2^20134020079 is an apocalyptic number.

20134020079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134020079 is an equidigital number, since it uses as much as digits as its factorization.

20134020079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 20134020079 in words is "twenty billion, one hundred thirty-four million, twenty thousand, seventy-nine".