21330020033323 has 8 divisors (see below), whose sum is σ = 21623271387696. Its totient is φ = 21036797308800.

The previous prime is 21330020033281. The next prime is 21330020033351. The reversal of 21330020033323 is 32333002003312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21330020033323 - 2⁴¹ = 19130996777771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21330020033353) by changing a digit.

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, 5655013 + ... + 8639398.

It is an arithmetic number, because the mean of its divisors is an integer number (2702908923462).

Almost surely, 2^{21330020033323} is an apocalyptic number.

21330020033323 is a deficient number, since it is larger than the sum of its proper divisors (293251354373).

21330020033323 is a wasteful number, since it uses less digits than its factorization.

21330020033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314925.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 21330020033323 its reverse (32333002003312), we get a palindrome (53663022036635).

The spelling of 21330020033323 in words is "twenty-one trillion, three hundred thirty billion, twenty million, thirty-three thousand, three hundred twenty-three".