1324404133220 has 60 divisors (see below), whose sum is σ = 3244597182204. Its totient is φ = 454081400640.

The previous prime is 1324404133219. The next prime is 1324404133249. The reversal of 1324404133220 is 223314044231.

It can be written as a sum of positive squares in 2 ways, for example, as 596808781156 + 727595352064 = 772534^2 + 852992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13742111 + ... + 13838150.

Almost surely, 2^{1324404133220} is an apocalyptic number.

1324404133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324404133220 is an abundant number, since it is smaller than the sum of its proper divisors (1920193048984).

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

1324404133220 is an equidigital number, since it uses as much as digits as its factorization.

1324404133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27580298 (or 27580275 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1324404133220 its reverse (223314044231), we get a palindrome (1547718177451).

The spelling of 1324404133220 in words is "one trillion, three hundred twenty-four billion, four hundred four million, one hundred thirty-three thousand, two hundred twenty".