21232084032 has 84 divisors (see below), whose sum is σ = 60915718656. Its totient is φ = 7070641920.

The previous prime is 21232084031. The next prime is 21232084067. The reversal of 21232084032 is 23048023212.

21232084032 is a `hidden beast` number, since 21 + 232 + 0 + 8 + 403 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21232083987 and 21232084005.

It is not an unprimeable number, because it can be changed into a prime (21232084031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609157 + ... + 643067.

Almost surely, 2^21232084032 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 21232084032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30457859328).

21232084032 is an abundant number, since it is smaller than the sum of its proper divisors (39683634624).

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

21232084032 is a wasteful number, since it uses less digits than its factorization.

21232084032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35016 (or 35003 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 21232084032 in words is "twenty-one billion, two hundred thirty-two million, eighty-four thousand, thirty-two".