200201442 has 128 divisors (see below), whose sum is σ = 512870400. Its totient is φ = 50803200.

The previous prime is 200201389. The next prime is 200201459. The reversal of 200201442 is 244102002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 948717 + ... + 948927.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^200201442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200201442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256435200).

200201442 is an abundant number, since it is smaller than the sum of its proper divisors (312668958).

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

200201442 is a wasteful number, since it uses less digits than its factorization.

200201442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200201442 is about 14149.2558814943. The cubic root of 200201442 is about 584.9998217546. Note that the first 3 decimals are identical.

Adding to 200201442 its reverse (244102002), we get a palindrome (444303444).

The spelling of 200201442 in words is "two hundred million, two hundred one thousand, four hundred forty-two".