223300000020 has 96 divisors (see below), whose sum is σ = 659248128000. Its totient is φ = 56318281344.

The previous prime is 223299999947. The next prime is 223300000037. The reversal of 223300000020 is 20000003322.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 223299999951 and 223300000005.

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 31 ways as a sum of consecutive naturals, for example, 519357 + ... + 846363.

It is an arithmetic number, because the mean of its divisors is an integer number (6867168000).

Almost surely, 2^223300000020 is an apocalyptic number.

223300000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223300000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329624064000).

223300000020 is an abundant number, since it is smaller than the sum of its proper divisors (435948127980).

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

223300000020 is a wasteful number, since it uses less digits than its factorization.

223300000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327637 (or 327635 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 223300000020 its reverse (20000003322), we get a palindrome (243300003342).

The spelling of 223300000020 in words is "two hundred twenty-three billion, three hundred million, twenty", and thus it is an aban number.