132233220 has 72 divisors (see below), whose sum is σ = 458412864. Its totient is φ = 30224448.

The previous prime is 132233173. The next prime is 132233221. The reversal of 132233220 is 22332231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 132233193 and 132233202.

It is not an unprimeable number, because it can be changed into a prime (132233221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51214 + ... + 53733.

Almost surely, 2^132233220 is an apocalyptic number.

132233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132233220 is an abundant number, since it is smaller than the sum of its proper divisors (326179644).

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

132233220 is a wasteful number, since it uses less digits than its factorization.

132233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104969 (or 104964 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 132233220 is about 11499.2704116392. The cubic root of 132233220 is about 509.4640274717.

Adding to 132233220 its reverse (22332231), we get a palindrome (154565451).

The spelling of 132233220 in words is "one hundred thirty-two million, two hundred thirty-three thousand, two hundred twenty".