20441032143317 has 2 divisors, whose sum is σ = 20441032143318. Its totient is φ = 20441032143316.

The previous prime is 20441032143223. The next prime is 20441032143331. The reversal of 20441032143317 is 71334123014402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16826067637681 + 3614964505636 = 4101959^2 + 1901306^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441032143317 - 2³² = 20436737176021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441032143617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220516071658 + 10220516071659.

It is an arithmetic number, because the mean of its divisors is an integer number (10220516071659).

Almost surely, 2^{20441032143317} is an apocalyptic number.

It is an amenable number.

20441032143317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441032143317 is an equidigital number, since it uses as much as digits as its factorization.

20441032143317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 20441032143317 its reverse (71334123014402), we get a palindrome (91775155157719).

The spelling of 20441032143317 in words is "twenty trillion, four hundred forty-one billion, thirty-two million, one hundred forty-three thousand, three hundred seventeen".