201532330 has 16 divisors (see below), whose sum is σ = 362966184. Its totient is φ = 80566720.

The previous prime is 201532327. The next prime is 201532351. The reversal of 201532330 is 33235102.

It can be written as a sum of positive squares in 4 ways, for example, as 194128489 + 7403841 = 13933^2 + 2721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201532298 and 201532307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16704 + ... + 26116.

Almost surely, 2^201532330 is an apocalyptic number.

201532330 is a deficient number, since it is larger than the sum of its proper divisors (161433854).

201532330 is a wasteful number, since it uses less digits than its factorization.

201532330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 201532330 is about 14196.2082965840. The cubic root of 201532330 is about 586.2932695531.

Adding to 201532330 its reverse (33235102), we get a palindrome (234767432).

The spelling of 201532330 in words is "two hundred one million, five hundred thirty-two thousand, three hundred thirty".