20223082091 has 2 divisors, whose sum is σ = 20223082092. Its totient is φ = 20223082090.

The previous prime is 20223082081. The next prime is 20223082093. The reversal of 20223082091 is 19028032202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223082091 is a prime.

It is a Sophie Germain prime.

Together with 20223082093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20223082093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111541045 + 10111541046.

It is an arithmetic number, because the mean of its divisors is an integer number (10111541046).

Almost surely, 2^20223082091 is an apocalyptic number.

20223082091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223082091 is an equidigital number, since it uses as much as digits as its factorization.

20223082091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20223082091 in words is "twenty billion, two hundred twenty-three million, eighty-two thousand, ninety-one".