203232220032 has 64 divisors (see below), whose sum is σ = 539915016960. Its totient is φ = 67734105600.

The previous prime is 203232220003. The next prime is 203232220033. The reversal of 203232220032 is 230022232302.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 203232219990 and 203232220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203232220033) 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, 2853657 + ... + 2924007.

It is an arithmetic number, because the mean of its divisors is an integer number (8436172140).

Almost surely, 2^203232220032 is an apocalyptic number.

It is an amenable number.

203232220032 is an abundant number, since it is smaller than the sum of its proper divisors (336682796928).

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

203232220032 is an equidigital number, since it uses as much as digits as its factorization.

203232220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77891 (or 77879 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 203232220032 its reverse (230022232302), we get a palindrome (433254452334).

The spelling of 203232220032 in words is "two hundred three billion, two hundred thirty-two million, two hundred twenty thousand, thirty-two".