20794159003 has 2 divisors, whose sum is σ = 20794159004. Its totient is φ = 20794159002.

The previous prime is 20794158977. The next prime is 20794159027. The reversal of 20794159003 is 30095149702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20794159003 - 2⁹ = 20794158491 is a prime.

It is not a weakly prime, because it can be changed into another prime (20794159703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10397079501 + 10397079502.

It is an arithmetic number, because the mean of its divisors is an integer number (10397079502).

Almost surely, 2^20794159003 is an apocalyptic number.

20794159003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20794159003 is an equidigital number, since it uses as much as digits as its factorization.

20794159003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 20794159003 in words is "twenty billion, seven hundred ninety-four million, one hundred fifty-nine thousand, three".