201442782 has 8 divisors (see below), whose sum is σ = 402885576. Its totient is φ = 67147592.

The previous prime is 201442781. The next prime is 201442789. The reversal of 201442782 is 287244102.

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

201442782 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201442781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16786893 + ... + 16786904.

It is an arithmetic number, because the mean of its divisors is an integer number (50360697).

Almost surely, 2^201442782 is an apocalyptic number.

201442782 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.

201442782 is a wasteful number, since it uses less digits than its factorization.

201442782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33573802.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 201442782 is about 14193.0540053929. The cubic root of 201442782 is about 586.2064196869.

Adding to 201442782 its reverse (287244102), we get a palindrome (488686884).

The spelling of 201442782 in words is "two hundred one million, four hundred forty-two thousand, seven hundred eighty-two".