201442332 has 216 divisors, whose sum is σ = 629966736. Its totient is φ = 49641984.

The previous prime is 201442331. The next prime is 201442361. The reversal of 201442332 is 233244102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 201442299 and 201442308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201442331) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2759448 + ... + 2759520.

Almost surely, 2^201442332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201442332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314983368).

201442332 is an abundant number, since it is smaller than the sum of its proper divisors (428524404).

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

201442332 is a wasteful number, since it uses less digits than its factorization.

201442332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201442332 is about 14193.0381525592. The cubic root of 201442332 is about 586.2059831807.

Adding to 201442332 its reverse (233244102), we get a palindrome (434686434).

The spelling of 201442332 in words is "two hundred one million, four hundred forty-two thousand, three hundred thirty-two".