21032200322304 has 144 divisors (see below), whose sum is σ = 59253209400000. Its totient is φ = 6611565477888.

The previous prime is 21032200322257. The next prime is 21032200322311. The reversal of 21032200322304 is 40322300223012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10022929 + ... + 11938320.

Almost surely, 2^{21032200322304} is an apocalyptic number.

21032200322304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21032200322304 is an abundant number, since it is smaller than the sum of its proper divisors (38221009077696).

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

21032200322304 is a wasteful number, since it uses less digits than its factorization.

21032200322304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21961340 (or 21961326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21032200322304 its reverse (40322300223012), we get a palindrome (61354500545316).

The spelling of 21032200322304 in words is "twenty-one trillion, thirty-two billion, two hundred million, three hundred twenty-two thousand, three hundred four".