203320020232 has 96 divisors (see below), whose sum is σ = 447328920600. Its totient is φ = 86380729344.

The previous prime is 203320020227. The next prime is 203320020259. The reversal of 203320020232 is 232020023302.

It can be written as a sum of positive squares in 4 ways, for example, as 202199511556 + 1120508676 = 449666^2 + 33474^2 .

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, 28121994 + ... + 28129222.

Almost surely, 2^203320020232 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 203320020232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223664460300).

203320020232 is an abundant number, since it is smaller than the sum of its proper divisors (244008900368).

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

203320020232 is a wasteful number, since it uses less digits than its factorization.

203320020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863 (or 7852 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 203320020232 its reverse (232020023302), we get a palindrome (435340043534).

The spelling of 203320020232 in words is "two hundred three billion, three hundred twenty million, twenty thousand, two hundred thirty-two".