201235442 has 16 divisors (see below), whose sum is σ = 313232832. Its totient is φ = 96890640.

The previous prime is 201235439. The next prime is 201235453. The reversal of 201235442 is 244532102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10373 + ... + 22584.

It is an arithmetic number, because the mean of its divisors is an integer number (19577052).

Almost surely, 2^201235442 is an apocalyptic number.

201235442 is a deficient number, since it is larger than the sum of its proper divisors (111997390).

201235442 is a wasteful number, since it uses less digits than its factorization.

201235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33073.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 201235442 is about 14185.7478477520. The cubic root of 201235442 is about 586.0052281253.

Adding to 201235442 its reverse (244532102), we get a palindrome (445767544).

The spelling of 201235442 in words is "two hundred one million, two hundred thirty-five thousand, four hundred forty-two".