203668992 has 120 divisors (see below), whose sum is σ = 609945336. Its totient is φ = 67848192.

The previous prime is 203668981. The next prime is 203669009. The reversal of 203668992 is 299866302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123598 + ... + 125234.

Almost surely, 2^203668992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203668992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304972668).

203668992 is an abundant number, since it is smaller than the sum of its proper divisors (406276344).

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

203668992 is an frugal number, since it uses more digits than its factorization.

203668992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 203668992 is about 14271.2645550421. The cubic root of 203668992 is about 588.3579661210.

The spelling of 203668992 in words is "two hundred three million, six hundred sixty-eight thousand, nine hundred ninety-two".