203472320 has 112 divisors (see below), whose sum is σ = 519123168. Its totient is φ = 75694080.

The previous prime is 203472319. The next prime is 203472359. The reversal of 203472320 is 23274302.

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 15 ways as a sum of consecutive naturals, for example, 614555 + ... + 614885.

Almost surely, 2^203472320 is an apocalyptic number.

203472320 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 203472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259561584).

203472320 is an abundant number, since it is smaller than the sum of its proper divisors (315650848).

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

203472320 is a wasteful number, since it uses less digits than its factorization.

203472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 203472320 is about 14264.3724011959. The cubic root of 203472320 is about 588.1685234329.

The spelling of 203472320 in words is "two hundred three million, four hundred seventy-two thousand, three hundred twenty".