20310302056063 has 4 divisors (see below), whose sum is σ = 20519686613440. Its totient is φ = 20100917498688.

The previous prime is 20310302056007. The next prime is 20310302056087. The reversal of 20310302056063 is 36065020301302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20310302056063 - 2⁹ = 20310302055551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310302051063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104692278543 + ... + 104692278736.

It is an arithmetic number, because the mean of its divisors is an integer number (5129921653360).

Almost surely, 2^{20310302056063} is an apocalyptic number.

20310302056063 is a deficient number, since it is larger than the sum of its proper divisors (209384557377).

20310302056063 is an equidigital number, since it uses as much as digits as its factorization.

20310302056063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209384557376.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 20310302056063 its reverse (36065020301302), we get a palindrome (56375322357365).

The spelling of 20310302056063 in words is "twenty trillion, three hundred ten billion, three hundred two million, fifty-six thousand, sixty-three".