203320020224 has 72 divisors (see below), whose sum is σ = 428355275040. Its totient is φ = 96050423808.

The previous prime is 203320020223. The next prime is 203320020227. The reversal of 203320020224 is 422020023302.

It is a junction number, because it is equal to n+sod(n) for n = 203320020196 and 203320020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320020221) by changing a digit.

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, 1758239 + ... + 1870305.

It is an arithmetic number, because the mean of its divisors is an integer number (5949378820).

Almost surely, 2^203320020224 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 203320020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214177637520).

203320020224 is an abundant number, since it is smaller than the sum of its proper divisors (225035254816).

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

203320020224 is a wasteful number, since it uses less digits than its factorization.

203320020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112475 (or 112461 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 203320020224 its reverse (422020023302), we get a palindrome (625340043526).

The spelling of 203320020224 in words is "two hundred three billion, three hundred twenty million, twenty thousand, two hundred twenty-four".