20023241191 has 2 divisors, whose sum is σ = 20023241192. Its totient is φ = 20023241190.

The previous prime is 20023241167. The next prime is 20023241201. The reversal of 20023241191 is 19114232002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023241191 - 2²⁹ = 19486370279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023244191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011620595 + 10011620596.

It is an arithmetic number, because the mean of its divisors is an integer number (10011620596).

Almost surely, 2^20023241191 is an apocalyptic number.

20023241191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023241191 is an equidigital number, since it uses as much as digits as its factorization.

20023241191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 20023241191 its reverse (19114232002), we get a palindrome (39137473193).

The spelling of 20023241191 in words is "twenty billion, twenty-three million, two hundred forty-one thousand, one hundred ninety-one".