201550446 has 12 divisors (see below), whose sum is σ = 436692672. Its totient is φ = 67183476.

The previous prime is 201550441. The next prime is 201550471. The reversal of 201550446 is 644055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201550441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5598606 + ... + 5598641.

It is an arithmetic number, because the mean of its divisors is an integer number (36391056).

Almost surely, 2^201550446 is an apocalyptic number.

201550446 is an abundant number, since it is smaller than the sum of its proper divisors (235142226).

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

201550446 is a wasteful number, since it uses less digits than its factorization.

201550446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197255 (or 11197252 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 201550446 is about 14196.8463399447. The cubic root of 201550446 is about 586.3108365785.

The spelling of 201550446 in words is "two hundred one million, five hundred fifty thousand, four hundred forty-six".