204272 has 20 divisors (see below), whose sum is σ = 419616. Its totient is φ = 96000.

The previous prime is 204251. The next prime is 204299. The reversal of 204272 is 272402.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 204272.

It is a congruent number.

It is an unprimeable number.

204272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 647.

2²⁰⁴²⁷² is an apocalyptic number.

It is an amenable number.

204272 is an abundant number, since it is smaller than the sum of its proper divisors (215344).

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

204272 is a wasteful number, since it uses less digits than its factorization.

204272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 204272 is about 451.9646003837. The cubic root of 204272 is about 58.8938049507.

Adding to 204272 its reverse (272402), we get a palindrome (476674).

The spelling of 204272 in words is "two hundred four thousand, two hundred seventy-two", and thus it is an iban number.