20704608275011 has 2 divisors, whose sum is σ = 20704608275012. Its totient is φ = 20704608275010.

The previous prime is 20704608274979. The next prime is 20704608275023. The reversal of 20704608275011 is 11057280640702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20704608275011 - 2⁵ = 20704608274979 is a prime.

It is not a weakly prime, because it can be changed into another prime (20704608275081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10352304137505 + 10352304137506.

It is an arithmetic number, because the mean of its divisors is an integer number (10352304137506).

Almost surely, 2^{20704608275011} is an apocalyptic number.

20704608275011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20704608275011 is an equidigital number, since it uses as much as digits as its factorization.

20704608275011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 20704608275011 in words is "twenty trillion, seven hundred four billion, six hundred eight million, two hundred seventy-five thousand, eleven".