203380 has 12 divisors (see below), whose sum is σ = 427140. Its totient is φ = 81344.

The previous prime is 203363. The next prime is 203381. The reversal of 203380 is 83302.

It is a happy number.

203380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 63504 = 374^2 + 252^2 .

It is a nialpdrome in base 12.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203381) by changing a digit.

203380 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, 5065 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (35595).

2²⁰³³⁸⁰ is an apocalyptic number.

203380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203380 is an abundant number, since it is smaller than the sum of its proper divisors (223760).

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

203380 is a wasteful number, since it uses less digits than its factorization.

203380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203380 is about 450.9767178026. The cubic root of 203380 is about 58.8079554849.

Adding to 203380 its reverse (83302), we get a palindrome (286682).

It can be divided in two parts, 20 and 3380, that multiplied together give a square (67600 = 260²).

The spelling of 203380 in words is "two hundred three thousand, three hundred eighty".