201032442 has 96 divisors (see below), whose sum is σ = 497532672. Its totient is φ = 60450624.

The previous prime is 201032431. The next prime is 201032449. The reversal of 201032442 is 244230102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201032449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296608 + ... + 297284.

It is an arithmetic number, because the mean of its divisors is an integer number (5182632).

Almost surely, 2^201032442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201032442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248766336).

201032442 is an abundant number, since it is smaller than the sum of its proper divisors (296500230).

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

201032442 is a wasteful number, since it uses less digits than its factorization.

201032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201032442 is about 14178.5909737181. The cubic root of 201032442 is about 585.8081139336.

Adding to 201032442 its reverse (244230102), we get a palindrome (445262544).

The spelling of 201032442 in words is "two hundred one million, thirty-two thousand, four hundred forty-two".