20302023191 has 2 divisors, whose sum is σ = 20302023192. Its totient is φ = 20302023190.

The previous prime is 20302023151. The next prime is 20302023223. The reversal of 20302023191 is 19132020302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302023191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302023151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151011595 + 10151011596.

It is an arithmetic number, because the mean of its divisors is an integer number (10151011596).

Almost surely, 2^20302023191 is an apocalyptic number.

20302023191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302023191 is an equidigital number, since it uses as much as digits as its factorization.

20302023191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20302023191 its reverse (19132020302), we get a palindrome (39434043493).

The spelling of 20302023191 in words is "twenty billion, three hundred two million, twenty-three thousand, one hundred ninety-one".