324401203320 has 128 divisors (see below), whose sum is σ = 990022521600. Its totient is φ = 85012936704.

The previous prime is 324401203303. The next prime is 324401203327. The reversal of 324401203320 is 23302104423.

It is a super-2 number, since 2×324401203320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324401203327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30247479 + ... + 30258201.

It is an arithmetic number, because the mean of its divisors is an integer number (7734550950).

Almost surely, 2^324401203320 is an apocalyptic number.

324401203320 is a gapful number since it is divisible by the number (30) 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 324401203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495011260800).

324401203320 is an abundant number, since it is smaller than the sum of its proper divisors (665621318280).

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

324401203320 is a wasteful number, since it uses less digits than its factorization.

324401203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069 (or 15065 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 324401203320 its reverse (23302104423), we get a palindrome (347703307743).

The spelling of 324401203320 in words is "three hundred twenty-four billion, four hundred one million, two hundred three thousand, three hundred twenty".