324205420 has 48 divisors (see below), whose sum is σ = 848832768. Its totient is φ = 101050560.

The previous prime is 324205411. The next prime is 324205439. The reversal of 324205420 is 24502423.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 324205391 and 324205400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103722 + ... + 106801.

It is an arithmetic number, because the mean of its divisors is an integer number (17684016).

Almost surely, 2^324205420 is an apocalyptic number.

It is an amenable number.

324205420 is an abundant number, since it is smaller than the sum of its proper divisors (524627348).

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

324205420 is a wasteful number, since it uses less digits than its factorization.

324205420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210550 (or 210548 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 324205420 is about 18005.7052069615. The cubic root of 324205420 is about 686.9736674590.

Adding to 324205420 its reverse (24502423), we get a palindrome (348707843).

The spelling of 324205420 in words is "three hundred twenty-four million, two hundred five thousand, four hundred twenty".