20310302056064 has 16 divisors (see below), whose sum is σ = 40461929877570. Its totient is φ = 10155151027968.

The previous prime is 20310302056007. The next prime is 20310302056087. The reversal of 20310302056064 is 46065020301302.

It can be written as a sum of positive squares in only one way, i.e., 20307568857664 + 2733198400 = 4506392^2 + 52280^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20310302056064.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79337117279 + ... + 79337117534.

Almost surely, 2^{20310302056064} is an apocalyptic number.

It is an amenable number.

20310302056064 is a deficient number, since it is larger than the sum of its proper divisors (20151627821506).

20310302056064 is an equidigital number, since it uses as much as digits as its factorization.

20310302056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158674234827 (or 158674234815 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20310302056064 its reverse (46065020301302), we get a palindrome (66375322357366).

The spelling of 20310302056064 in words is "twenty trillion, three hundred ten billion, three hundred two million, fifty-six thousand, sixty-four".