203270 has 8 divisors (see below), whose sum is σ = 365904. Its totient is φ = 81304.

The previous prime is 203249. The next prime is 203279. The reversal of 203270 is 72302.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203270.

It is not an unprimeable number, because it can be changed into a prime (203279) by changing a digit.

203270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10154 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (45738).

2²⁰³²⁷⁰ is an apocalyptic number.

203270 is a deficient number, since it is larger than the sum of its proper divisors (162634).

203270 is a wasteful number, since it uses less digits than its factorization.

203270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20334.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 203270 is about 450.8547437923. The cubic root of 203270 is about 58.7973512929.

Adding to 203270 its reverse (72302), we get a palindrome (275572).

The spelling of 203270 in words is "two hundred three thousand, two hundred seventy", and thus it is an iban number.