201029442 has 16 divisors (see below), whose sum is σ = 402200640. Its totient is φ = 66986192.

The previous prime is 201029441. The next prime is 201029489. The reversal of 201029442 is 244920102.

It is not an unprimeable number, because it can be changed into a prime (201029441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24859 + ... + 31937.

It is an arithmetic number, because the mean of its divisors is an integer number (25137540).

Almost surely, 2^201029442 is an apocalyptic number.

201029442 is an abundant number, since it is smaller than the sum of its proper divisors (201171198).

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

201029442 is a wasteful number, since it uses less digits than its factorization.

201029442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 201029442 is about 14178.4851800184. The cubic root of 201029442 is about 585.8051999212.

Adding to 201029442 its reverse (244920102), we get a palindrome (445949544).

The spelling of 201029442 in words is "two hundred one million, twenty-nine thousand, four hundred forty-two".