20243424043 has 2 divisors, whose sum is σ = 20243424044. Its totient is φ = 20243424042.

The previous prime is 20243424037. The next prime is 20243424151. The reversal of 20243424043 is 34042434202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20243424043 - 2⁹ = 20243423531 is a prime.

It is not a weakly prime, because it can be changed into another prime (20243424013) 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, 10121712021 + 10121712022.

It is an arithmetic number, because the mean of its divisors is an integer number (10121712022).

Almost surely, 2^20243424043 is an apocalyptic number.

20243424043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243424043 is an equidigital number, since it uses as much as digits as its factorization.

20243424043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20243424043 its reverse (34042434202), we get a palindrome (54285858245).

The spelling of 20243424043 in words is "twenty billion, two hundred forty-three million, four hundred twenty-four thousand, forty-three".