220220203311 has 24 divisors (see below), whose sum is σ = 333432315216. Its totient is φ = 139901650560.

The previous prime is 220220203297. The next prime is 220220203363. The reversal of 220220203311 is 113302022022.

It is not a de Polignac number, because 220220203311 - 2¹¹ = 220220201263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220203111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6923700 + ... + 6955433.

It is an arithmetic number, because the mean of its divisors is an integer number (13893013134).

Almost surely, 2^220220203311 is an apocalyptic number.

220220203311 is a deficient number, since it is larger than the sum of its proper divisors (113212111905).

220220203311 is a wasteful number, since it uses less digits than its factorization.

220220203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879223 (or 13879220 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220220203311 its reverse (113302022022), we get a palindrome (333522225333).

The spelling of 220220203311 in words is "two hundred twenty billion, two hundred twenty million, two hundred three thousand, three hundred eleven".