20303022223 has 24 divisors (see below), whose sum is σ = 23763358080. Its totient is φ = 17155438560.

The previous prime is 20303022221. The next prime is 20303022253. The reversal of 20303022223 is 32222030302.

It is not a de Polignac number, because 20303022223 - 2¹ = 20303022221 is a prime.

It is a super-2 number, since 2×20303022223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20303022223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303022221) 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 23 ways as a sum of consecutive naturals, for example, 569790 + ... + 604372.

It is an arithmetic number, because the mean of its divisors is an integer number (990139920).

Almost surely, 2^20303022223 is an apocalyptic number.

20303022223 is a deficient number, since it is larger than the sum of its proper divisors (3460335857).

20303022223 is a wasteful number, since it uses less digits than its factorization.

20303022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34719 (or 34666 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20303022223 its reverse (32222030302), we get a palindrome (52525052525).

The spelling of 20303022223 in words is "twenty billion, three hundred three million, twenty-two thousand, two hundred twenty-three".