324140020 has 48 divisors (see below), whose sum is σ = 737529408. Its totient is φ = 119185920.

The previous prime is 324140009. The next prime is 324140027. The reversal of 324140020 is 20041423.

It is a junction number, because it is equal to n+sod(n) for n = 324139976 and 324140003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324140027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3535 + ... + 25705.

It is an arithmetic number, because the mean of its divisors is an integer number (15365196).

Almost surely, 2^324140020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324140020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368764704).

324140020 is an abundant number, since it is smaller than the sum of its proper divisors (413389388).

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

324140020 is a wasteful number, since it uses less digits than its factorization.

324140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240 (or 22238 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 324140020 is about 18003.8890243192. The cubic root of 324140020 is about 686.9274713372.

Adding to 324140020 its reverse (20041423), we get a palindrome (344181443).

The spelling of 324140020 in words is "three hundred twenty-four million, one hundred forty thousand, twenty".