223331321020 has 12 divisors (see below), whose sum is σ = 468995774184. Its totient is φ = 89332528400.

The previous prime is 223331321009. The next prime is 223331321089. The reversal of 223331321020 is 20123133322.

It is a junction number, because it is equal to n+sod(n) for n = 223331320982 and 223331321000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583283006 + ... + 5583283045.

It is an arithmetic number, because the mean of its divisors is an integer number (39082981182).

Almost surely, 2^223331321020 is an apocalyptic number.

223331321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223331321020 is an abundant number, since it is smaller than the sum of its proper divisors (245664453164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223331321020 is a wasteful number, since it uses less digits than its factorization.

223331321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166566060 (or 11166566058 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223331321020 its reverse (20123133322), we get a palindrome (243454454342).

The spelling of 223331321020 in words is "two hundred twenty-three billion, three hundred thirty-one million, three hundred twenty-one thousand, twenty".