20443230442307 has 2 divisors, whose sum is σ = 20443230442308. Its totient is φ = 20443230442306.

The previous prime is 20443230442291. The next prime is 20443230442333. The reversal of 20443230442307 is 70324403234402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20443230442307 - 2⁴ = 20443230442291 is a prime.

It is not a weakly prime, because it can be changed into another prime (20443230442357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221615221153 + 10221615221154.

It is an arithmetic number, because the mean of its divisors is an integer number (10221615221154).

Almost surely, 2^{20443230442307} is an apocalyptic number.

20443230442307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20443230442307 is an equidigital number, since it uses as much as digits as its factorization.

20443230442307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 38.

Adding to 20443230442307 its reverse (70324403234402), we get a palindrome (90767633676709).

The spelling of 20443230442307 in words is "twenty trillion, four hundred forty-three billion, two hundred thirty million, four hundred forty-two thousand, three hundred seven".