20089831458833 has 2 divisors, whose sum is σ = 20089831458834. Its totient is φ = 20089831458832.

The previous prime is 20089831458743. The next prime is 20089831458929. The reversal of 20089831458833 is 33885413898002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20085303245569 + 4528213264 = 4481663^2 + 67292^2 .

It is a cyclic number.

It is not a de Polignac number, because 20089831458833 - 2¹⁸ = 20089831196689 is a prime.

It is not a weakly prime, because it can be changed into another prime (20089831058833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044915729416 + 10044915729417.

It is an arithmetic number, because the mean of its divisors is an integer number (10044915729417).

Almost surely, 2^{20089831458833} is an apocalyptic number.

It is an amenable number.

20089831458833 is a deficient number, since it is larger than the sum of its proper divisors (1).

20089831458833 is an equidigital number, since it uses as much as digits as its factorization.

20089831458833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 20089831458833 in words is "twenty trillion, eighty-nine billion, eight hundred thirty-one million, four hundred fifty-eight thousand, eight hundred thirty-three".