20044233404197 has 2 divisors, whose sum is σ = 20044233404198. Its totient is φ = 20044233404196.

The previous prime is 20044233404123. The next prime is 20044233404219. The reversal of 20044233404197 is 79140433244002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11053536998596 + 8990696405601 = 3324686^2 + 2998449^2 .

It is a cyclic number.

It is not a de Polignac number, because 20044233404197 - 2¹⁵ = 20044233371429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20044233401197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022116702098 + 10022116702099.

It is an arithmetic number, because the mean of its divisors is an integer number (10022116702099).

Almost surely, 2^{20044233404197} is an apocalyptic number.

It is an amenable number.

20044233404197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044233404197 is an equidigital number, since it uses as much as digits as its factorization.

20044233404197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 20044233404197 its reverse (79140433244002), we get a palindrome (99184666648199).

The spelling of 20044233404197 in words is "twenty trillion, forty-four billion, two hundred thirty-three million, four hundred four thousand, one hundred ninety-seven".