201020242 has 8 divisors (see below), whose sum is σ = 303109632. Its totient is φ = 99983700.

The previous prime is 201020233. The next prime is 201020249. The reversal of 201020242 is 242020102.

201020242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201020249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 262734 + ... + 263497.

It is an arithmetic number, because the mean of its divisors is an integer number (37888704).

Almost surely, 2^201020242 is an apocalyptic number.

201020242 is a deficient number, since it is larger than the sum of its proper divisors (102089390).

201020242 is a wasteful number, since it uses less digits than its factorization.

201020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526424.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 201020242 is about 14178.1607410834. The cubic root of 201020242 is about 585.7962634358.

Adding to 201020242 its reverse (242020102), we get a palindrome (443040344).

The spelling of 201020242 in words is "two hundred one million, twenty thousand, two hundred forty-two".