320232020212320 has 384 divisors, whose sum is σ = 1085485887682560. Its totient is φ = 79101158400000.

The previous prime is 320232020212319. The next prime is 320232020212369. The reversal of 320232020212320 is 23212020232023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 433843570 + ... + 434581070.

It is an arithmetic number, because the mean of its divisors is an integer number (2826786165840).

Almost surely, 2^{320232020212320} is an apocalyptic number.

320232020212320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320232020212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542742943841280).

320232020212320 is an abundant number, since it is smaller than the sum of its proper divisors (765253867470240).

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

320232020212320 is a wasteful number, since it uses less digits than its factorization.

320232020212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738598 (or 738590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 320232020212320 its reverse (23212020232023), we get a palindrome (343444040444343).

The spelling of 320232020212320 in words is "three hundred twenty trillion, two hundred thirty-two billion, twenty million, two hundred twelve thousand, three hundred twenty".