320203012300000 has 432 divisors, whose sum is σ = 837666471695760. Its totient is φ = 120434800640000.

The previous prime is 320203012299991. The next prime is 320203012300051. The reversal of 320203012300000 is 3210302023.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3121048704 + ... + 3121151296.

It is an arithmetic number, because the mean of its divisors is an integer number (1939042758555).

Almost surely, 2^{320203012300000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320203012300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418833235847880).

320203012300000 is an abundant number, since it is smaller than the sum of its proper divisors (517463459395760).

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

320203012300000 is an equidigital number, since it uses as much as digits as its factorization.

320203012300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102733 (or 102682 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 320203012300000 its reverse (3210302023), we get a palindrome (320206222602023).

The spelling of 320203012300000 in words is "three hundred twenty trillion, two hundred three billion, twelve million, three hundred thousand".