203042200 has 48 divisors (see below), whose sum is σ = 478574280. Its totient is φ = 80098560.

The previous prime is 203042171. The next prime is 203042207. The reversal of 203042200 is 2240302.

It is a super-2 number, since 2×203042200² = 82452269961680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203042207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7647 + ... + 21553.

Almost surely, 2^203042200 is an apocalyptic number.

203042200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239287140).

203042200 is an abundant number, since it is smaller than the sum of its proper divisors (275532080).

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

203042200 is a wasteful number, since it uses less digits than its factorization.

203042200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996 (or 13987 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 203042200 is about 14249.2877014958. The cubic root of 203042200 is about 587.7537880442.

Adding to 203042200 its reverse (2240302), we get a palindrome (205282502).

The spelling of 203042200 in words is "two hundred three million, forty-two thousand, two hundred".