21200332132 has 24 divisors (see below), whose sum is σ = 42411703040. Its totient is φ = 9083491200.

The previous prime is 21200332129. The next prime is 21200332141. The reversal of 21200332132 is 23123300212.

It is a super-2 number, since 2×21200332132² (a number of 21 digits) contains 22 as substring.

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, 13132 + ... + 206332.

Almost surely, 2^21200332132 is an apocalyptic number.

It is an amenable number.

21200332132 is an abundant number, since it is smaller than the sum of its proper divisors (21211370908).

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

21200332132 is a wasteful number, since it uses less digits than its factorization.

21200332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197131 (or 197129 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21200332132 its reverse (23123300212), we get a palindrome (44323632344).

The spelling of 21200332132 in words is "twenty-one billion, two hundred million, three hundred thirty-two thousand, one hundred thirty-two".