220433132 has 12 divisors (see below), whose sum is σ = 391191696. Its totient is φ = 108664080.

The previous prime is 220433131. The next prime is 220433141. The reversal of 220433132 is 231334022.

220433132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220433131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387803 + ... + 388370.

It is an arithmetic number, because the mean of its divisors is an integer number (32599308).

Almost surely, 2^220433132 is an apocalyptic number.

It is an amenable number.

220433132 is a deficient number, since it is larger than the sum of its proper divisors (170758564).

220433132 is a wasteful number, since it uses less digits than its factorization.

220433132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776248 (or 776246 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220433132 is about 14846.9906715132. The cubic root of 220433132 is about 604.0769860789.

Adding to 220433132 its reverse (231334022), we get a palindrome (451767154).

The spelling of 220433132 in words is "two hundred twenty million, four hundred thirty-three thousand, one hundred thirty-two".