22220020023 has 8 divisors (see below), whose sum is σ = 30648303600. Its totient is φ = 14302541568.

The previous prime is 22220020013. The next prime is 22220020049. The reversal of 22220020023 is 32002002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22220020023 - 2¹⁰ = 22220018999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220019984 and 22220020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220020013) 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, 127701178 + ... + 127701351.

It is an arithmetic number, because the mean of its divisors is an integer number (3831037950).

Almost surely, 2^22220020023 is an apocalyptic number.

22220020023 is a deficient number, since it is larger than the sum of its proper divisors (8428283577).

22220020023 is a wasteful number, since it uses less digits than its factorization.

22220020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255402561.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 22220020023 its reverse (32002002222), we get a palindrome (54222022245).

The spelling of 22220020023 in words is "twenty-two billion, two hundred twenty million, twenty thousand, twenty-three".