20310330566011 has 16 divisors (see below), whose sum is σ = 20792582694400. Its totient is φ = 19828531689120.

The previous prime is 20310330565997. The next prime is 20310330566039. The reversal of 20310330566011 is 11066503301302.

It is a cyclic number.

It is not a de Polignac number, because 20310330566011 - 2⁵ = 20310330565979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310330566111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216251940 + ... + 1216268638.

It is an arithmetic number, because the mean of its divisors is an integer number (1299536418400).

Almost surely, 2^{20310330566011} is an apocalyptic number.

20310330566011 is a deficient number, since it is larger than the sum of its proper divisors (482252128389).

20310330566011 is a wasteful number, since it uses less digits than its factorization.

20310330566011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28546.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 20310330566011 its reverse (11066503301302), we get a palindrome (31376833867313).

The spelling of 20310330566011 in words is "twenty trillion, three hundred ten billion, three hundred thirty million, five hundred sixty-six thousand, eleven".