201830 has 8 divisors (see below), whose sum is σ = 363312. Its totient is φ = 80728.

The previous prime is 201829. The next prime is 201833. The reversal of 201830 is 38102.

201830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10082 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (45414).

2²⁰¹⁸³⁰ is an apocalyptic number.

201830 is a deficient number, since it is larger than the sum of its proper divisors (161482).

201830 is a wasteful number, since it uses less digits than its factorization.

201830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20190.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201830 is about 449.2549387597. The cubic root of 201830 is about 58.6581785814.

Adding to 201830 its reverse (38102), we get a palindrome (239932).

It can be divided in two parts, 2018 and 30, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 201830 in words is "two hundred one thousand, eight hundred thirty".