20026242704191 has 2 divisors, whose sum is σ = 20026242704192. Its totient is φ = 20026242704190.

The previous prime is 20026242704183. The next prime is 20026242704263. The reversal of 20026242704191 is 19140724262002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20026242704191 - 2³ = 20026242704183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20026242764191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013121352095 + 10013121352096.

It is an arithmetic number, because the mean of its divisors is an integer number (10013121352096).

Almost surely, 2^{20026242704191} is an apocalyptic number.

20026242704191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20026242704191 is an equidigital number, since it uses as much as digits as its factorization.

20026242704191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

Adding to 20026242704191 its reverse (19140724262002), we get a palindrome (39166966966193).

The spelling of 20026242704191 in words is "twenty trillion, twenty-six billion, two hundred forty-two million, seven hundred four thousand, one hundred ninety-one".