203013868 has 12 divisors (see below), whose sum is σ = 362833632. Its totient is φ = 99347120.

The previous prime is 203013851. The next prime is 203013871. The reversal of 203013868 is 868310302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539743 + ... + 540118.

It is an arithmetic number, because the mean of its divisors is an integer number (30236136).

Almost surely, 2^203013868 is an apocalyptic number.

It is an amenable number.

203013868 is a deficient number, since it is larger than the sum of its proper divisors (159819764).

203013868 is a wasteful number, since it uses less digits than its factorization.

203013868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079912 (or 1079910 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 203013868 is about 14248.2935118561. The cubic root of 203013868 is about 587.7264488754.

The spelling of 203013868 in words is "two hundred three million, thirteen thousand, eight hundred sixty-eight".