20424443359 has 2 divisors, whose sum is σ = 20424443360. Its totient is φ = 20424443358.

The previous prime is 20424443327. The next prime is 20424443387. The reversal of 20424443359 is 95334442402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20424443359 - 2⁵ = 20424443327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424443309) 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, 10212221679 + 10212221680.

It is an arithmetic number, because the mean of its divisors is an integer number (10212221680).

Almost surely, 2^20424443359 is an apocalyptic number.

20424443359 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424443359 is an equidigital number, since it uses as much as digits as its factorization.

20424443359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 20424443359 in words is "twenty billion, four hundred twenty-four million, four hundred forty-three thousand, three hundred fifty-nine".