220131111233 has 8 divisors (see below), whose sum is σ = 240164831136. Its totient is φ = 200101024800.

The previous prime is 220131111227. The next prime is 220131111251. The reversal of 220131111233 is 332111131022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220131111233 - 2²⁸ = 219862675777 is a prime.

It is a super-2 number, since 2×220131111233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220131111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780908 + ... + 1024733.

It is an arithmetic number, because the mean of its divisors is an integer number (30020603892).

Almost surely, 2^220131111233 is an apocalyptic number.

It is an amenable number.

220131111233 is a deficient number, since it is larger than the sum of its proper divisors (20033719903).

220131111233 is a wasteful number, since it uses less digits than its factorization.

220131111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816735.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 220131111233 its reverse (332111131022), we get a palindrome (552242242255).

The spelling of 220131111233 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred eleven thousand, two hundred thirty-three".