233221333320 has 160 divisors (see below), whose sum is σ = 829993764600. Its totient is φ = 58533967872.

The previous prime is 233221333307. The next prime is 233221333321. The reversal of 233221333320 is 23333122332.

233221333320 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 2 + 1 + 333 + 320 = 666.

233221333320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 209641273956 + 23580059364 = 457866^2 + 153558^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (233221333321) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2062035 + ... + 2172194.

Almost surely, 2^233221333320 is an apocalyptic number.

233221333320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233221333320 is an abundant number, since it is smaller than the sum of its proper divisors (596772431280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233221333320 is a wasteful number, since it uses less digits than its factorization.

233221333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234269 (or 4234256 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 233221333320 its reverse (23333122332), we get a palindrome (256554455652).

The spelling of 233221333320 in words is "two hundred thirty-three billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty".