20333332023221 has 8 divisors (see below), whose sum is σ = 23247978104064. Its totient is φ = 17421157033200.

The previous prime is 20333332023211. The next prime is 20333332023259. The reversal of 20333332023221 is 12232023333302.

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

It is a cyclic number.

It is not a de Polignac number, because 20333332023221 - 2¹⁰ = 20333332022197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333332023211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617755070 + ... + 617787983.

It is an arithmetic number, because the mean of its divisors is an integer number (2905997263008).

Almost surely, 2^{20333332023221} is an apocalyptic number.

It is an amenable number.

20333332023221 is a deficient number, since it is larger than the sum of its proper divisors (2914646080843).

20333332023221 is a wasteful number, since it uses less digits than its factorization.

20333332023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235545411.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 20333332023221 its reverse (12232023333302), we get a palindrome (32565355356523).

The spelling of 20333332023221 in words is "twenty trillion, three hundred thirty-three billion, three hundred thirty-two million, twenty-three thousand, two hundred twenty-one".