232132220 has 48 divisors (see below), whose sum is σ = 499685760. Its totient is φ = 90556224.

The previous prime is 232132213. The next prime is 232132223. The reversal of 232132220 is 22231232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232132223) 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, 142571 + ... + 144189.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^232132220 is an apocalyptic number.

232132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232132220 is an abundant number, since it is smaller than the sum of its proper divisors (267553540).

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

232132220 is a wasteful number, since it uses less digits than its factorization.

232132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1800 counting only the distinct ones).

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

The square root of 232132220 is about 15235.8859276381. The cubic root of 232132220 is about 614.5800733512.

Adding to 232132220 its reverse (22231232), we get a palindrome (254363452).

The spelling of 232132220 in words is "two hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty".