1324002420 has 72 divisors (see below), whose sum is σ = 4325082216. Its totient is φ = 325907712.

The previous prime is 1324002419. The next prime is 1324002437. The reversal of 1324002420 is 242004231.

1324002420 is a `hidden beast` number, since 1 + 3 + 240 + 0 + 2 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8054244 + 1315948176 = 2838^2 + 36276^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1324002393 and 1324002402.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 280567 + ... + 285246.

Almost surely, 2^1324002420 is an apocalyptic number.

1324002420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324002420 is an abundant number, since it is smaller than the sum of its proper divisors (3001079796).

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

1324002420 is a wasteful number, since it uses less digits than its factorization.

1324002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565841 (or 565836 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1324002420 is about 36386.8440511128. The cubic root of 1324002420 is about 1098.0689038746.

Adding to 1324002420 its reverse (242004231), we get a palindrome (1566006651).

The spelling of 1324002420 in words is "one billion, three hundred twenty-four million, two thousand, four hundred twenty".