201424550 has 12 divisors (see below), whose sum is σ = 374649756. Its totient is φ = 80569800.

The previous prime is 201424537. The next prime is 201424627. The reversal of 201424550 is 55424102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 2014196 + ... + 2014295.

It is an arithmetic number, because the mean of its divisors is an integer number (31220813).

Almost surely, 2^201424550 is an apocalyptic number.

201424550 is a deficient number, since it is larger than the sum of its proper divisors (173225206).

201424550 is a wasteful number, since it uses less digits than its factorization.

201424550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028503 (or 4028498 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 201424550 is about 14192.4117048513. The cubic root of 201424550 is about 586.1887338743.

Adding to 201424550 its reverse (55424102), we get a palindrome (256848652).

The spelling of 201424550 in words is "two hundred one million, four hundred twenty-four thousand, five hundred fifty".