20320320440211 has 32 divisors (see below), whose sum is σ = 30047870439936. Its totient is φ = 12111610560000.

The previous prime is 20320320440201. The next prime is 20320320440227. The reversal of 20320320440211 is 11204402302302.

It is a happy number.

It is not a de Polignac number, because 20320320440211 - 2⁵ = 20320320440179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20320320440201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9874396 + ... + 11753481.

It is an arithmetic number, because the mean of its divisors is an integer number (938995951248).

Almost surely, 2^{20320320440211} is an apocalyptic number.

20320320440211 is a deficient number, since it is larger than the sum of its proper divisors (9727549999725).

20320320440211 is a wasteful number, since it uses less digits than its factorization.

20320320440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628363.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20320320440211 its reverse (11204402302302), we get a palindrome (31524722742513).

The spelling of 20320320440211 in words is "twenty trillion, three hundred twenty billion, three hundred twenty million, four hundred forty thousand, two hundred eleven".