20333341233221 has 4 divisors (see below), whose sum is σ = 20445680135244. Its totient is φ = 20221002331200.

The previous prime is 20333341233217. The next prime is 20333341233307. The reversal of 20333341233221 is 12233214333302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 564735717121 + 19768605516100 = 751489^2 + 4446190^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333341233221 - 2² = 20333341233217 is a prime.

It is a super-2 number, since 2×20333341233221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333341233211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56169450740 + ... + 56169451101.

It is an arithmetic number, because the mean of its divisors is an integer number (5111420033811).

Almost surely, 2^{20333341233221} is an apocalyptic number.

It is an amenable number.

20333341233221 is a deficient number, since it is larger than the sum of its proper divisors (112338902023).

20333341233221 is a wasteful number, since it uses less digits than its factorization.

20333341233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112338902022.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 20333341233221 its reverse (12233214333302), we get a palindrome (32566555566523).

The spelling of 20333341233221 in words is "twenty trillion, three hundred thirty-three billion, three hundred forty-one million, two hundred thirty-three thousand, two hundred twenty-one".