203381268 has 24 divisors (see below), whose sum is σ = 502471872. Its totient is φ = 63805824.

The previous prime is 203381261. The next prime is 203381281. The reversal of 203381268 is 862183302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203381261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498280 + ... + 498687.

It is an arithmetic number, because the mean of its divisors is an integer number (20936328).

Almost surely, 2^203381268 is an apocalyptic number.

It is an amenable number.

203381268 is an abundant number, since it is smaller than the sum of its proper divisors (299090604).

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

203381268 is a wasteful number, since it uses less digits than its factorization.

203381268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996991 (or 996989 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 203381268 is about 14261.1804560492. The cubic root of 203381268 is about 588.0807770002.

The spelling of 203381268 in words is "two hundred three million, three hundred eighty-one thousand, two hundred sixty-eight".