20608904003 has 2 divisors, whose sum is σ = 20608904004. Its totient is φ = 20608904002.

The previous prime is 20608903967. The next prime is 20608904023. The reversal of 20608904003 is 30040980602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20608904003 - 2⁸ = 20608903747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20608904023) 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, 10304452001 + 10304452002.

It is an arithmetic number, because the mean of its divisors is an integer number (10304452002).

Almost surely, 2^20608904003 is an apocalyptic number.

20608904003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20608904003 is an equidigital number, since it uses as much as digits as its factorization.

20608904003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 20608904003 in words is "twenty billion, six hundred eight million, nine hundred four thousand, three".