203028560 has 120 divisors (see below), whose sum is σ = 554357376. Its totient is φ = 69148800.

The previous prime is 203028503. The next prime is 203028589. The reversal of 203028560 is 65820302.

203028560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1344485 + ... + 1344635.

Almost surely, 2^203028560 is an apocalyptic number.

203028560 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 203028560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277178688).

203028560 is an abundant number, since it is smaller than the sum of its proper divisors (351328816).

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

203028560 is an frugal number, since it uses more digits than its factorization.

203028560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 203028560 is about 14248.8090730419. The cubic root of 203028560 is about 587.7406263448.

Adding to 203028560 its reverse (65820302), we get a palindrome (268848862).

The spelling of 203028560 in words is "two hundred three million, twenty-eight thousand, five hundred sixty".