21233032332 has 24 divisors (see below), whose sum is σ = 49702037616. Its totient is φ = 7055063808.

The previous prime is 21233032321. The next prime is 21233032339. The reversal of 21233032332 is 23323033212.

It is not an unprimeable number, because it can be changed into a prime (21233032339) 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, 2822793 + ... + 2830304.

It is an arithmetic number, because the mean of its divisors is an integer number (2070918234).

Almost surely, 2^21233032332 is an apocalyptic number.

It is an amenable number.

21233032332 is an abundant number, since it is smaller than the sum of its proper divisors (28469005284).

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

21233032332 is a wasteful number, since it uses less digits than its factorization.

21233032332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653417 (or 5653415 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21233032332 its reverse (23323033212), we get a palindrome (44556065544).

The spelling of 21233032332 in words is "twenty-one billion, two hundred thirty-three million, thirty-two thousand, three hundred thirty-two".