233241220 has 24 divisors (see below), whose sum is σ = 491208984. Its totient is φ = 93029376.

The previous prime is 233241199. The next prime is 233241221. The reversal of 233241220 is 22142332.

It can be written as a sum of positive squares in 4 ways, for example, as 2262016 + 230979204 = 1504^2 + 15198^2 .

It is not an unprimeable number, because it can be changed into a prime (233241221) 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, 9459 + ... + 23578.

It is an arithmetic number, because the mean of its divisors is an integer number (20467041).

Almost surely, 2^233241220 is an apocalyptic number.

233241220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233241220 is an abundant number, since it is smaller than the sum of its proper divisors (257967764).

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

233241220 is a wasteful number, since it uses less digits than its factorization.

233241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33399 (or 33397 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 233241220 is about 15272.2369023009. The cubic root of 233241220 is about 615.5572273560.

Adding to 233241220 its reverse (22142332), we get a palindrome (255383552).

The spelling of 233241220 in words is "two hundred thirty-three million, two hundred forty-one thousand, two hundred twenty".