20243094239 has 2 divisors, whose sum is σ = 20243094240. Its totient is φ = 20243094238.

The previous prime is 20243094217. The next prime is 20243094241. The reversal of 20243094239 is 93249034202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243094239 is a prime.

Together with 20243094241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20243064239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121547119 + 10121547120.

It is an arithmetic number, because the mean of its divisors is an integer number (10121547120).

Almost surely, 2^20243094239 is an apocalyptic number.

20243094239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243094239 is an equidigital number, since it uses as much as digits as its factorization.

20243094239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 20243094239 in words is "twenty billion, two hundred forty-three million, ninety-four thousand, two hundred thirty-nine".