20345324927 has 2 divisors, whose sum is σ = 20345324928. Its totient is φ = 20345324926.

The previous prime is 20345324921. The next prime is 20345324929. The reversal of 20345324927 is 72942354302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345324927 - 2²⁴ = 20328547711 is a prime.

Together with 20345324929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345324921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172662463 + 10172662464.

It is an arithmetic number, because the mean of its divisors is an integer number (10172662464).

Almost surely, 2^20345324927 is an apocalyptic number.

20345324927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345324927 is an equidigital number, since it uses as much as digits as its factorization.

20345324927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 20345324927 in words is "twenty billion, three hundred forty-five million, three hundred twenty-four thousand, nine hundred twenty-seven".