320320020011232 has 48 divisors (see below), whose sum is σ = 840848013410832. Its totient is φ = 106772329098240.

The previous prime is 320320020011227. The next prime is 320320020011297. The reversal of 320320020011232 is 232110020023023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 320320020011199 and 320320020011208.

It is a congruent number.

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, 5568619 + ... + 25916202.

It is an arithmetic number, because the mean of its divisors is an integer number (17517666946059).

Almost surely, 2^{320320020011232} is an apocalyptic number.

320320020011232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320320020011232 is an abundant number, since it is smaller than the sum of its proper divisors (520527993399600).

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

320320020011232 is a wasteful number, since it uses less digits than its factorization.

320320020011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31590811 (or 31590803 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320320020011232 its reverse (232110020023023), we get a palindrome (552430040034255).

The spelling of 320320020011232 in words is "three hundred twenty trillion, three hundred twenty billion, twenty million, eleven thousand, two hundred thirty-two".