203300990 has 16 divisors (see below), whose sum is σ = 374452848. Its totient is φ = 79429056.

The previous prime is 203300959. The next prime is 203301017. The reversal of 203300990 is 99003302.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 235967 + ... + 236826.

It is an arithmetic number, because the mean of its divisors is an integer number (23403303).

Almost surely, 2^203300990 is an apocalyptic number.

203300990 is a deficient number, since it is larger than the sum of its proper divisors (171151858).

203300990 is a wasteful number, since it uses less digits than its factorization.

203300990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472843.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 203300990 is about 14258.3656146138. The cubic root of 203300990 is about 588.0033916999.

The spelling of 203300990 in words is "two hundred three million, three hundred thousand, nine hundred ninety".