20424433079 has 2 divisors, whose sum is σ = 20424433080. Its totient is φ = 20424433078.

The previous prime is 20424433039. The next prime is 20424433103. The reversal of 20424433079 is 97033442402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20424433079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424433039) 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, 10212216539 + 10212216540.

It is an arithmetic number, because the mean of its divisors is an integer number (10212216540).

Almost surely, 2^20424433079 is an apocalyptic number.

20424433079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424433079 is an equidigital number, since it uses as much as digits as its factorization.

20424433079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 20424433079 in words is "twenty billion, four hundred twenty-four million, four hundred thirty-three thousand, seventy-nine".