20303020063 has 2 divisors, whose sum is σ = 20303020064. Its totient is φ = 20303020062.

The previous prime is 20303019967. The next prime is 20303020079. The reversal of 20303020063 is 36002030302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20303020063 - 2²⁵ = 20269465631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20303020063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20303030063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151510031 + 10151510032.

It is an arithmetic number, because the mean of its divisors is an integer number (10151510032).

Almost surely, 2^20303020063 is an apocalyptic number.

20303020063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303020063 is an equidigital number, since it uses as much as digits as its factorization.

20303020063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20303020063 its reverse (36002030302), we get a palindrome (56305050365).

The spelling of 20303020063 in words is "twenty billion, three hundred three million, twenty thousand, sixty-three".