201551132 has 12 divisors (see below), whose sum is σ = 352976400. Its totient is φ = 100700736.

The previous prime is 201551117. The next prime is 201551149. The reversal of 201551132 is 231155102.

It is a happy number.

201551132 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, 12413 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (29414700).

Almost surely, 2^201551132 is an apocalyptic number.

It is an amenable number.

201551132 is a deficient number, since it is larger than the sum of its proper divisors (151425268).

201551132 is a wasteful number, since it uses less digits than its factorization.

201551132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37420 (or 37418 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 201551132 is about 14196.8705002194. The cubic root of 201551132 is about 586.3115017697.

The spelling of 201551132 in words is "two hundred one million, five hundred fifty-one thousand, one hundred thirty-two".