20332233102221 has 4 divisors (see below), whose sum is σ = 20359746273600. Its totient is φ = 20304719930844.

The previous prime is 20332233102179. The next prime is 20332233102253. The reversal of 20332233102221 is 12220133223302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20332233102221 - 2¹⁰ = 20332233101197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332233122221) 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, 13756584581 + ... + 13756586058.

It is an arithmetic number, because the mean of its divisors is an integer number (5089936568400).

Almost surely, 2^{20332233102221} is an apocalyptic number.

It is an amenable number.

20332233102221 is a deficient number, since it is larger than the sum of its proper divisors (27513171379).

20332233102221 is an equidigital number, since it uses as much as digits as its factorization.

20332233102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27513171378.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20332233102221 its reverse (12220133223302), we get a palindrome (32552366325523).

The spelling of 20332233102221 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, one hundred two thousand, two hundred twenty-one".