320004312241020 has 96 divisors (see below), whose sum is σ = 993491778456576. Its totient is φ = 76305052089600.

The previous prime is 320004312240919. The next prime is 320004312241057. The reversal of 320004312241020 is 20142213400023.

It is a happy number.

It is a super-2 number, since 2×320004312241020² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3974181204 + ... + 3974261723.

It is an arithmetic number, because the mean of its divisors is an integer number (10348872692256).

Almost surely, 2^{320004312241020} is an apocalyptic number.

320004312241020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320004312241020 is an abundant number, since it is smaller than the sum of its proper divisors (673487466215556).

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

320004312241020 is a wasteful number, since it uses less digits than its factorization.

320004312241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948443011 (or 7948443009 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320004312241020 its reverse (20142213400023), we get a palindrome (340146525641043).

The spelling of 320004312241020 in words is "three hundred twenty trillion, four billion, three hundred twelve million, two hundred forty-one thousand, twenty".