20223233241221 has 8 divisors (see below), whose sum is σ = 20450546510040. Its totient is φ = 19995921882112.

The previous prime is 20223233241203. The next prime is 20223233241229. The reversal of 20223233241221 is 12214233232202.

It can be written as a sum of positive squares in 4 ways, for example, as 10840957938721 + 9382275302500 = 3292561^2 + 3063050^2 .

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 20223233241221 - 2¹⁸ = 20223232979077 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 (20223233241229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39936611 + ... + 40439823.

It is an arithmetic number, because the mean of its divisors is an integer number (2556318313755).

Almost surely, 2^{20223233241221} is an apocalyptic number.

It is an amenable number.

20223233241221 is a deficient number, since it is larger than the sum of its proper divisors (227313268819).

20223233241221 is an equidigital number, since it uses as much as digits as its factorization.

20223233241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954855.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20223233241221 its reverse (12214233232202), we get a palindrome (32437466473423).

The spelling of 20223233241221 in words is "twenty trillion, two hundred twenty-three billion, two hundred thirty-three million, two hundred forty-one thousand, two hundred twenty-one".