203299994 has 8 divisors (see below), whose sum is σ = 305696820. Its totient is φ = 101401056.

The previous prime is 203299961. The next prime is 203300003. The reversal of 203299994 is 499992302.

It can be written as a sum of positive squares in 2 ways, for example, as 140304025 + 62995969 = 11845^2 + 7937^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 123449 + ... + 125084.

Almost surely, 2^203299994 is an apocalyptic number.

203299994 is a deficient number, since it is larger than the sum of its proper divisors (102396826).

203299994 is a wasteful number, since it uses less digits than its factorization.

203299994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248944.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 203299994 is about 14258.3306877067. The cubic root of 203299994 is about 588.0024314614.

The spelling of 203299994 in words is "two hundred three million, two hundred ninety-nine thousand, nine hundred ninety-four".