13330021232 has 40 divisors (see below), whose sum is σ = 29832166512. Its totient is φ = 5702681600.

The previous prime is 13330021193. The next prime is 13330021241. The reversal of 13330021232 is 23212003331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224619 + ... + 2230602.

Almost surely, 2^13330021232 is an apocalyptic number.

It is an amenable number.

13330021232 is an abundant number, since it is smaller than the sum of its proper divisors (16502145280).

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

13330021232 is a wasteful number, since it uses less digits than its factorization.

13330021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455257 (or 4455251 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13330021232 its reverse (23212003331), we get a palindrome (36542024563).

The spelling of 13330021232 in words is "thirteen billion, three hundred thirty million, twenty-one thousand, two hundred thirty-two".