320680003157200 has 120 divisors (see below), whose sum is σ = 783675511200000. Its totient is φ = 126068349511680.

The previous prime is 320680003157159. The next prime is 320680003157219. The reversal of 320680003157200 is 2751300086023.

It is a self number, because there is not a number n which added to its sum of digits gives 320680003157200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99252801 + ... + 102432799.

It is an arithmetic number, because the mean of its divisors is an integer number (6530629260000).

Almost surely, 2^{320680003157200} 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 320680003157200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391837755600000).

320680003157200 is an abundant number, since it is smaller than the sum of its proper divisors (462995508042800).

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

320680003157200 is a wasteful number, since it uses less digits than its factorization.

320680003157200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184349 (or 3184338 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 320680003157200 in words is "three hundred twenty trillion, six hundred eighty billion, three million, one hundred fifty-seven thousand, two hundred".