201021232 has 20 divisors (see below), whose sum is σ = 389713896. Its totient is φ = 100449920.

The previous prime is 201021229. The next prime is 201021241. The reversal of 201021232 is 232120102.

201021232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36483 + ... + 41629.

Almost surely, 2^201021232 is an apocalyptic number.

It is an amenable number.

201021232 is a deficient number, since it is larger than the sum of its proper divisors (188692664).

201021232 is a wasteful number, since it uses less digits than its factorization.

201021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596 (or 7590 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201021232 is about 14178.1956538905. The cubic root of 201021232 is about 585.7972250924.

Adding to 201021232 its reverse (232120102), we get a palindrome (433141334).

The spelling of 201021232 in words is "two hundred one million, twenty-one thousand, two hundred thirty-two".