220002032231 has 4 divisors (see below), whose sum is σ = 220003188600. Its totient is φ = 220000875864.

The previous prime is 220002032209. The next prime is 220002032267. The reversal of 220002032231 is 132230200022.

220002032231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 132230200022 = 2 ⋅66115100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002032231 is a prime.

It is a super-2 number, since 2×220002032231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002082231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218021 + ... + 698238.

It is an arithmetic number, because the mean of its divisors is an integer number (55000797150).

Almost surely, 2^220002032231 is an apocalyptic number.

220002032231 is a deficient number, since it is larger than the sum of its proper divisors (1156369).

220002032231 is an equidigital number, since it uses as much as digits as its factorization.

220002032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156368.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 220002032231 its reverse (132230200022), we get a palindrome (352232232253).

The spelling of 220002032231 in words is "two hundred twenty billion, two million, thirty-two thousand, two hundred thirty-one".