203020244256 has 48 divisors (see below), whose sum is σ = 535718389248. Its totient is φ = 67319097600.

The previous prime is 203020244249. The next prime is 203020244269. The reversal of 203020244256 is 652442020302.

203020244256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517775 + ... + 5554446.

It is an arithmetic number, because the mean of its divisors is an integer number (11160799776).

Almost surely, 2^203020244256 is an apocalyptic number.

It is an amenable number.

203020244256 is an abundant number, since it is smaller than the sum of its proper divisors (332698144992).

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

203020244256 is a wasteful number, since it uses less digits than its factorization.

203020244256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072425 (or 11072417 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 203020244256 its reverse (652442020302), we get a palindrome (855462264558).

The spelling of 203020244256 in words is "two hundred three billion, twenty million, two hundred forty-four thousand, two hundred fifty-six".