1323320030020 has 24 divisors (see below), whose sum is σ = 2778994721664. Its totient is φ = 529323696096.

The previous prime is 1323320029987. The next prime is 1323320030033. The reversal of 1323320030020 is 200300233231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323320030020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595059 + ... + 3946021.

It is an arithmetic number, because the mean of its divisors is an integer number (115791446736).

Almost surely, 2^{1323320030020} is an apocalyptic number.

1323320030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323320030020 is an abundant number, since it is smaller than the sum of its proper divisors (1455674691644).

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

1323320030020 is a wasteful number, since it uses less digits than its factorization.

1323320030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539499 (or 539497 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 1323320030020 its reverse (200300233231), we get a palindrome (1523620263251).

The spelling of 1323320030020 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, thirty thousand, twenty".