203425200 has 270 divisors, whose sum is σ = 777614292. Its totient is φ = 49209600.

The previous prime is 203425181. The next prime is 203425207. The reversal of 203425200 is 2524302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203425207) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 435367 + ... + 435833.

Almost surely, 2^203425200 is an apocalyptic number.

203425200 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 203425200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388807146).

203425200 is an abundant number, since it is smaller than the sum of its proper divisors (574189092).

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

203425200 is a wasteful number, since it uses less digits than its factorization.

203425200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 203425200 is about 14262.7206380830. The cubic root of 203425200 is about 588.1231173543.

Adding to 203425200 its reverse (2524302), we get a palindrome (205949502).

The spelling of 203425200 in words is "two hundred three million, four hundred twenty-five thousand, two hundred".