201550412 has 24 divisors (see below), whose sum is σ = 404431104. Its totient is φ = 86093712.

The previous prime is 201550367. The next prime is 201550441. The reversal of 201550412 is 214055102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (16851296).

Almost surely, 2^201550412 is an apocalyptic number.

It is an amenable number.

201550412 is an abundant number, since it is smaller than the sum of its proper divisors (202880692).

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

201550412 is a wasteful number, since it uses less digits than its factorization.

201550412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23765 (or 23763 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 201550412 is about 14196.8451424956. The cubic root of 201550412 is about 586.3108036098.

The spelling of 201550412 in words is "two hundred one million, five hundred fifty thousand, four hundred twelve".