20105030510063 has 2 divisors, whose sum is σ = 20105030510064. Its totient is φ = 20105030510062.

The previous prime is 20105030510017. The next prime is 20105030510069. The reversal of 20105030510063 is 36001503050102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20105030510063 - 2¹⁴ = 20105030493679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20105030510069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052515255031 + 10052515255032.

It is an arithmetic number, because the mean of its divisors is an integer number (10052515255032).

Almost surely, 2^{20105030510063} is an apocalyptic number.

20105030510063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20105030510063 is an equidigital number, since it uses as much as digits as its factorization.

20105030510063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 20105030510063 its reverse (36001503050102), we get a palindrome (56106533560165).

The spelling of 20105030510063 in words is "twenty trillion, one hundred five billion, thirty million, five hundred ten thousand, sixty-three".