20223110021 has 8 divisors (see below), whose sum is σ = 20537447040. Its totient is φ = 19909140768.

The previous prime is 20223109993. The next prime is 20223110041. The reversal of 20223110021 is 12001132202.

It is a happy number.

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 20223110021 - 2¹⁴ = 20223093637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223109978 and 20223110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223110041) 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, 19940 + ... + 202098.

It is an arithmetic number, because the mean of its divisors is an integer number (2567180880).

Almost surely, 2^20223110021 is an apocalyptic number.

It is an amenable number.

20223110021 is a deficient number, since it is larger than the sum of its proper divisors (314337019).

20223110021 is a wasteful number, since it uses less digits than its factorization.

20223110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183883.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20223110021 its reverse (12001132202), we get a palindrome (32224242223).

The spelling of 20223110021 in words is "twenty billion, two hundred twenty-three million, one hundred ten thousand, twenty-one".