201021332 has 12 divisors (see below), whose sum is σ = 352769760. Its totient is φ = 100229976.

The previous prime is 201021323. The next prime is 201021367. The reversal of 201021332 is 233120102.

It is a happy number.

201021332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68558 + ... + 71429.

It is an arithmetic number, because the mean of its divisors is an integer number (29397480).

Almost surely, 2^201021332 is an apocalyptic number.

It is an amenable number.

201021332 is a deficient number, since it is larger than the sum of its proper divisors (151748428).

201021332 is a wasteful number, since it uses less digits than its factorization.

201021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140350 (or 140348 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201021332 is about 14178.1991804319. The cubic root of 201021332 is about 585.7973222293.

Adding to 201021332 its reverse (233120102), we get a palindrome (434141434).

The spelling of 201021332 in words is "two hundred one million, twenty-one thousand, three hundred thirty-two".