20000012239 has 2 divisors, whose sum is σ = 20000012240. Its totient is φ = 20000012238.

The previous prime is 20000012203. The next prime is 20000012243. The reversal of 20000012239 is 93221000002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000012239 - 2¹⁵ = 19999979471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000012939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000006119 + 10000006120.

It is an arithmetic number, because the mean of its divisors is an integer number (10000006120).

Almost surely, 2^20000012239 is an apocalyptic number.

20000012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000012239 is an equidigital number, since it uses as much as digits as its factorization.

20000012239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20000012239 in words is "twenty billion, twelve thousand, two hundred thirty-nine".