320232131210220 has 96 divisors (see below), whose sum is σ = 911369120518080. Its totient is φ = 83993472245760.

The previous prime is 320232131210029. The next prime is 320232131210221. The reversal of 320232131210220 is 22012131232023.

It is not an unprimeable number, because it can be changed into a prime (320232131210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170239144 + ... + 172109936.

It is an arithmetic number, because the mean of its divisors is an integer number (9493428338730).

Almost surely, 2^{320232131210220} is an apocalyptic number.

320232131210220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320232131210220 is an abundant number, since it is smaller than the sum of its proper divisors (591136989307860).

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

320232131210220 is a wasteful number, since it uses less digits than its factorization.

320232131210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917635 (or 1917633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 320232131210220 its reverse (22012131232023), we get a palindrome (342244262442243).

The spelling of 320232131210220 in words is "three hundred twenty trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred ten thousand, two hundred twenty".