230321321220 has 96 divisors (see below), whose sum is σ = 654869376000. Its totient is φ = 60470492544.

The previous prime is 230321321203. The next prime is 230321321231. The reversal of 230321321220 is 22123123032.

It is a happy number.

It is a super-2 number, since 2×230321321220² (a number of 24 digits) contains 22 as substring.

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, 8182731 + ... + 8210829.

It is an arithmetic number, because the mean of its divisors is an integer number (6821556000).

Almost surely, 2^230321321220 is an apocalyptic number.

230321321220 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 230321321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327434688000).

230321321220 is an abundant number, since it is smaller than the sum of its proper divisors (424548054780).

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

230321321220 is a wasteful number, since it uses less digits than its factorization.

230321321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30217 (or 30215 counting only the distinct ones).

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

Adding to 230321321220 its reverse (22123123032), we get a palindrome (252444444252).

The spelling of 230321321220 in words is "two hundred thirty billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty".