201344550 has 48 divisors (see below), whose sum is σ = 544732992. Its totient is φ = 48810400.

The previous prime is 201344543. The next prime is 201344551. The reversal of 201344550 is 55443102.

It is a self number, because there is not a number n which added to its sum of digits gives 201344550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201344551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59364 + ... + 62663.

It is an arithmetic number, because the mean of its divisors is an integer number (11348604).

Almost surely, 2^201344550 is an apocalyptic number.

201344550 is an abundant number, since it is smaller than the sum of its proper divisors (343388442).

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

201344550 is a wasteful number, since it uses less digits than its factorization.

201344550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122053 (or 122048 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 201344550 is about 14189.5930174195. The cubic root of 201344550 is about 586.1111178661. Note that the first 5 decimals are identical.

Adding to 201344550 its reverse (55443102), we get a palindrome (256787652).

The spelling of 201344550 in words is "two hundred one million, three hundred forty-four thousand, five hundred fifty".