20002210123223 has 16 divisors (see below), whose sum is σ = 20107544082912. Its totient is φ = 19897073280000.

The previous prime is 20002210123219. The next prime is 20002210123229. The reversal of 20002210123223 is 32232101220002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20002210123223 - 2² = 20002210123219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002210123195 and 20002210123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002210123229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907077548 + ... + 907099598.

It is an arithmetic number, because the mean of its divisors is an integer number (1256721505182).

Almost surely, 2^{20002210123223} is an apocalyptic number.

20002210123223 is a deficient number, since it is larger than the sum of its proper divisors (105333959689).

20002210123223 is a wasteful number, since it uses less digits than its factorization.

20002210123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20002210123223 its reverse (32232101220002), we get a palindrome (52234311343225).

The spelling of 20002210123223 in words is "twenty trillion, two billion, two hundred ten million, one hundred twenty-three thousand, two hundred twenty-three".