201042020442 has 8 divisors (see below), whose sum is σ = 402084040896. Its totient is φ = 67014006812.

The previous prime is 201042020381. The next prime is 201042020471. The reversal of 201042020442 is 244020240102.

201042020442 is digitally balanced in base 2, 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.

201042020442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16753501698 + ... + 16753501709.

It is an arithmetic number, because the mean of its divisors is an integer number (50260505112).

Almost surely, 2^201042020442 is an apocalyptic number.

201042020442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201042020442 is a wasteful number, since it uses less digits than its factorization.

201042020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33507003412.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 201042020442 its reverse (244020240102), we get a palindrome (445062260544).

The spelling of 201042020442 in words is "two hundred one billion, forty-two million, twenty thousand, four hundred forty-two".