223303321020 has 96 divisors (see below), whose sum is σ = 673543886400. Its totient is φ = 54950768640.

The previous prime is 223303321013. The next prime is 223303321099. The reversal of 223303321020 is 20123303322.

It is a super-2 number, since 2×223303321020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721556 + ... + 2802404.

It is an arithmetic number, because the mean of its divisors is an integer number (7016082150).

Almost surely, 2^223303321020 is an apocalyptic number.

223303321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223303321020 is an abundant number, since it is smaller than the sum of its proper divisors (450240565380).

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

223303321020 is a wasteful number, since it uses less digits than its factorization.

223303321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84415 (or 84413 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223303321020 its reverse (20123303322), we get a palindrome (243426624342).

The spelling of 223303321020 in words is "two hundred twenty-three billion, three hundred three million, three hundred twenty-one thousand, twenty".