21200322332 has 48 divisors (see below), whose sum is σ = 42728878080. Its totient is φ = 9015758400.

The previous prime is 21200322257. The next prime is 21200322337. The reversal of 21200322332 is 23322300212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200322337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2236082 + ... + 2245542.

It is an arithmetic number, because the mean of its divisors is an integer number (890184960).

Almost surely, 2^21200322332 is an apocalyptic number.

It is an amenable number.

21200322332 is an abundant number, since it is smaller than the sum of its proper divisors (21528555748).

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

21200322332 is a wasteful number, since it uses less digits than its factorization.

21200322332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10082 (or 10080 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21200322332 its reverse (23322300212), we get a palindrome (44522622544).

The spelling of 21200322332 in words is "twenty-one billion, two hundred million, three hundred twenty-two thousand, three hundred thirty-two".