20310133223 has 16 divisors (see below), whose sum is σ = 22040133696. Its totient is φ = 18640066560.

The previous prime is 20310133099. The next prime is 20310133241. The reversal of 20310133223 is 32233101302.

It is a cyclic number.

It is not a de Polignac number, because 20310133223 - 2⁸ = 20310132967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310133195 and 20310133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310133523) 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 15 ways as a sum of consecutive naturals, for example, 1717790 + ... + 1729572.

It is an arithmetic number, because the mean of its divisors is an integer number (1377508356).

Almost surely, 2^20310133223 is an apocalyptic number.

20310133223 is a deficient number, since it is larger than the sum of its proper divisors (1730000473).

20310133223 is a wasteful number, since it uses less digits than its factorization.

20310133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314.

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

Adding to 20310133223 its reverse (32233101302), we get a palindrome (52543234525).

The spelling of 20310133223 in words is "twenty billion, three hundred ten million, one hundred thirty-three thousand, two hundred twenty-three".