20201013223 has 8 divisors (see below), whose sum is σ = 20490395040. Its totient is φ = 19911766560.

The previous prime is 20201013193. The next prime is 20201013233. The reversal of 20201013223 is 32231010202.

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 20201013223 - 2⁵ = 20201013191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201013197 and 20201013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201013233) 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, 289213 + ... + 352201.

It is an arithmetic number, because the mean of its divisors is an integer number (2561299380).

Almost surely, 2^20201013223 is an apocalyptic number.

20201013223 is a deficient number, since it is larger than the sum of its proper divisors (289381817).

20201013223 is an equidigital number, since it uses as much as digits as its factorization.

20201013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67577.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20201013223 its reverse (32231010202), we get a palindrome (52432023425).

The spelling of 20201013223 in words is "twenty billion, two hundred one million, thirteen thousand, two hundred twenty-three".