203554096928 has 144 divisors (see below), whose sum is σ = 496850094720. Its totient is φ = 80378707968.

The previous prime is 203554096903. The next prime is 203554096931. The reversal of 203554096928 is 829690455302.

It is a self number, because there is not a number n which added to its sum of digits gives 203554096928.

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, 21838253 + ... + 21847571.

It is an arithmetic number, because the mean of its divisors is an integer number (3450347880).

Almost surely, 2^203554096928 is an apocalyptic number.

203554096928 is a gapful number since it is divisible by the number (28) 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 203554096928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248425047360).

203554096928 is an abundant number, since it is smaller than the sum of its proper divisors (293295997792).

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

203554096928 is a wasteful number, since it uses less digits than its factorization.

203554096928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9918 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 203554096928 in words is "two hundred three billion, five hundred fifty-four million, ninety-six thousand, nine hundred twenty-eight".