203228064 has 288 divisors, whose sum is σ = 686859264. Its totient is φ = 56401920.

The previous prime is 203228041. The next prime is 203228071. The reversal of 203228064 is 460822302.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1973037 + ... + 1973139.

It is an arithmetic number, because the mean of its divisors is an integer number (2384928).

Almost surely, 2^203228064 is an apocalyptic number.

203228064 is a gapful number since it is divisible by the number (24) 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 203228064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343429632).

203228064 is an abundant number, since it is smaller than the sum of its proper divisors (483631200).

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

203228064 is a wasteful number, since it uses less digits than its factorization.

203228064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 203228064 is about 14255.8080795162. The cubic root of 203228064 is about 587.9330758207.

The spelling of 203228064 in words is "two hundred three million, two hundred twenty-eight thousand, sixty-four".