222303321020 has 48 divisors (see below), whose sum is σ = 521698103136. Its totient is φ = 78865920000.

The previous prime is 222303321013. The next prime is 222303321043. The reversal of 222303321020 is 20123303222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222303320983 and 222303321001.

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 15 ways as a sum of consecutive naturals, for example, 12313781 + ... + 12331820.

It is an arithmetic number, because the mean of its divisors is an integer number (10868710482).

Almost surely, 2^222303321020 is an apocalyptic number.

222303321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222303321020 is an abundant number, since it is smaller than the sum of its proper divisors (299394782116).

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

222303321020 is a wasteful number, since it uses less digits than its factorization.

222303321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24645662 (or 24645660 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222303321020 its reverse (20123303222), we get a palindrome (242426624242).

The spelling of 222303321020 in words is "two hundred twenty-two billion, three hundred three million, three hundred twenty-one thousand, twenty".