223313221020 has 48 divisors (see below), whose sum is σ = 642176404128. Its totient is φ = 57940727040.

The previous prime is 223313220989. The next prime is 223313221051. The reversal of 223313221020 is 20122313322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223313220989) and next prime (223313221051).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50293551 + ... + 50297990.

It is an arithmetic number, because the mean of its divisors is an integer number (13378675086).

Almost surely, 2^223313221020 is an apocalyptic number.

223313221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223313221020 is an abundant number, since it is smaller than the sum of its proper divisors (418863183108).

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

223313221020 is a wasteful number, since it uses less digits than its factorization.

223313221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100591590 (or 100591588 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223313221020 its reverse (20122313322), we get a palindrome (243435534342).

The spelling of 223313221020 in words is "two hundred twenty-three billion, three hundred thirteen million, two hundred twenty-one thousand, twenty".