20011100063 has 2 divisors, whose sum is σ = 20011100064. Its totient is φ = 20011100062.

The previous prime is 20011100041. The next prime is 20011100077. The reversal of 20011100063 is 36000111002.

It is an a-pointer prime, because the next prime (20011100077) can be obtained adding 20011100063 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011100063 - 2²⁰ = 20010051487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011100023) 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, 10005550031 + 10005550032.

It is an arithmetic number, because the mean of its divisors is an integer number (10005550032).

Almost surely, 2^20011100063 is an apocalyptic number.

20011100063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011100063 is an equidigital number, since it uses as much as digits as its factorization.

20011100063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20011100063 its reverse (36000111002), we get a palindrome (56011211065).

The spelling of 20011100063 in words is "twenty billion, eleven million, one hundred thousand, sixty-three".