20331013223 has 8 divisors (see below), whose sum is σ = 20987937168. Its totient is φ = 19682457984.

The previous prime is 20331013207. The next prime is 20331013273. The reversal of 20331013223 is 32231013302.

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 20331013223 - 2⁴ = 20331013207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331013195 and 20331013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331013273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087240 + ... + 2096957.

It is an arithmetic number, because the mean of its divisors is an integer number (2623492146).

Almost surely, 2^20331013223 is an apocalyptic number.

20331013223 is a deficient number, since it is larger than the sum of its proper divisors (656923945).

20331013223 is a wasteful number, since it uses less digits than its factorization.

20331013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184353.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20331013223 its reverse (32231013302), we get a palindrome (52562026525).

The spelling of 20331013223 in words is "twenty billion, three hundred thirty-one million, thirteen thousand, two hundred twenty-three".