20416548923 has 2 divisors, whose sum is σ = 20416548924. Its totient is φ = 20416548922.

The previous prime is 20416548907. The next prime is 20416548931. The reversal of 20416548923 is 32984561402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20416548923 - 2⁴ = 20416548907 is a prime.

It is not a weakly prime, because it can be changed into another prime (20416518923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208274461 + 10208274462.

It is an arithmetic number, because the mean of its divisors is an integer number (10208274462).

Almost surely, 2^20416548923 is an apocalyptic number.

20416548923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416548923 is an equidigital number, since it uses as much as digits as its factorization.

20416548923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 20416548923 in words is "twenty billion, four hundred sixteen million, five hundred forty-eight thousand, nine hundred twenty-three".