232113220 has 12 divisors (see below), whose sum is σ = 487437804. Its totient is φ = 92845280.

The previous prime is 232113199. The next prime is 232113221. The reversal of 232113220 is 22311232.

It can be written as a sum of positive squares in 2 ways, for example, as 147914244 + 84198976 = 12162^2 + 9176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232113194 and 232113203.

It is not an unprimeable number, because it can be changed into a prime (232113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5802811 + ... + 5802850.

It is an arithmetic number, because the mean of its divisors is an integer number (40619817).

Almost surely, 2^232113220 is an apocalyptic number.

232113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232113220 is an abundant number, since it is smaller than the sum of its proper divisors (255324584).

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

232113220 is a wasteful number, since it uses less digits than its factorization.

232113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11605670 (or 11605668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 232113220 is about 15235.2623869758. The cubic root of 232113220 is about 614.5633051202.

Adding to 232113220 its reverse (22311232), we get a palindrome (254424452).

The spelling of 232113220 in words is "two hundred thirty-two million, one hundred thirteen thousand, two hundred twenty".