203120328 has 32 divisors (see below), whose sum is σ = 513041760. Its totient is φ = 67008000.

The previous prime is 203120299. The next prime is 203120329. The reversal of 203120328 is 823021302.

203120328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203120329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41298 + ... + 45953.

It is an arithmetic number, because the mean of its divisors is an integer number (16032555).

Almost surely, 2^203120328 is an apocalyptic number.

It is an amenable number.

203120328 is an abundant number, since it is smaller than the sum of its proper divisors (309921432).

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

203120328 is a wasteful number, since it uses less digits than its factorization.

203120328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87357 (or 87353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 203120328 is about 14252.0289081941. The cubic root of 203120328 is about 587.8291650502.

The spelling of 203120328 in words is "two hundred three million, one hundred twenty thousand, three hundred twenty-eight".