203056244032 has 56 divisors (see below), whose sum is σ = 411399329600. Its totient is φ = 99416595456.

The previous prime is 203056243979. The next prime is 203056244033. The reversal of 203056244032 is 230442650302.

It is a junction number, because it is equal to n+sod(n) for n = 203056243985 and 203056244003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203056244033) 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, 493069 + ... + 805747.

It is an arithmetic number, because the mean of its divisors is an integer number (7346416600).

Almost surely, 2^203056244032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203056244032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205699664800).

203056244032 is an abundant number, since it is smaller than the sum of its proper divisors (208343085568).

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

203056244032 is a wasteful number, since it uses less digits than its factorization.

203056244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312903 (or 312893 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 203056244032 its reverse (230442650302), we get a palindrome (433498894334).

The spelling of 203056244032 in words is "two hundred three billion, fifty-six million, two hundred forty-four thousand, thirty-two".