20017835441 has 2 divisors, whose sum is σ = 20017835442. Its totient is φ = 20017835440.

The previous prime is 20017835381. The next prime is 20017835459. The reversal of 20017835441 is 14453871002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16139161600 + 3878673841 = 127040^2 + 62279^2 .

It is a cyclic number.

It is not a de Polignac number, because 20017835441 - 2²⁶ = 19950726577 is a prime.

It is not a weakly prime, because it can be changed into another prime (20017835041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008917720 + 10008917721.

It is an arithmetic number, because the mean of its divisors is an integer number (10008917721).

Almost surely, 2^20017835441 is an apocalyptic number.

It is an amenable number.

20017835441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20017835441 is an equidigital number, since it uses as much as digits as its factorization.

20017835441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 20017835441 in words is "twenty billion, seventeen million, eight hundred thirty-five thousand, four hundred forty-one".