232533220 has 48 divisors (see below), whose sum is σ = 517966848. Its totient is φ = 87500160.

The previous prime is 232533211. The next prime is 232533221. The reversal of 232533220 is 22335232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 232533191 and 232533200.

It is not an unprimeable number, because it can be changed into a prime (232533221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23917 + ... + 32203.

It is an arithmetic number, because the mean of its divisors is an integer number (10790976).

Almost surely, 2^232533220 is an apocalyptic number.

232533220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232533220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258983424).

232533220 is an abundant number, since it is smaller than the sum of its proper divisors (285433628).

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

232533220 is a wasteful number, since it uses less digits than its factorization.

232533220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8378 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 232533220 is about 15249.0399697817. The cubic root of 232533220 is about 614.9337580404.

Adding to 232533220 its reverse (22335232), we get a palindrome (254868452).

The spelling of 232533220 in words is "two hundred thirty-two million, five hundred thirty-three thousand, two hundred twenty".