20011333223 has 8 divisors (see below), whose sum is σ = 23245015200. Its totient is φ = 16871381280.

The previous prime is 20011333219. The next prime is 20011333261. The reversal of 20011333223 is 32233311002.

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 20011333223 - 2² = 20011333219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011333195 and 20011333204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011333213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23432048 + ... + 23432901.

It is an arithmetic number, because the mean of its divisors is an integer number (2905626900).

Almost surely, 2^20011333223 is an apocalyptic number.

20011333223 is a deficient number, since it is larger than the sum of its proper divisors (3233681977).

20011333223 is an equidigital number, since it uses as much as digits as its factorization.

20011333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46865017.

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

Adding to 20011333223 its reverse (32233311002), we get a palindrome (52244644225).

The spelling of 20011333223 in words is "twenty billion, eleven million, three hundred thirty-three thousand, two hundred twenty-three".