20223012023221 has 8 divisors (see below), whose sum is σ = 23130027791424. Its totient is φ = 17320499767680.

The previous prime is 20223012023219. The next prime is 20223012023237. The reversal of 20223012023221 is 12232021032202.

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 20223012023221 - 2¹ = 20223012023219 is a prime.

It is a super-2 number, since 2×20223012023221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223012023192 and 20223012023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223012029221) 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, 1125868540 + ... + 1125886501.

It is an arithmetic number, because the mean of its divisors is an integer number (2891253473928).

Almost surely, 2^{20223012023221} is an apocalyptic number.

It is an amenable number.

20223012023221 is a deficient number, since it is larger than the sum of its proper divisors (2907015768203).

20223012023221 is a wasteful number, since it uses less digits than its factorization.

20223012023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251756331.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20223012023221 its reverse (12232021032202), we get a palindrome (32455033055423).

The spelling of 20223012023221 in words is "twenty trillion, two hundred twenty-three billion, twelve million, twenty-three thousand, two hundred twenty-one".