320204103344140 has 36 divisors (see below), whose sum is σ = 675118291454208. Its totient is φ = 127571355412000.

The previous prime is 320204103344087. The next prime is 320204103344149. The reversal of 320204103344140 is 41443301402023.

It is not an unprimeable number, because it can be changed into a prime (320204103344149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125803084 + ... + 128323123.

It is an arithmetic number, because the mean of its divisors is an integer number (18753285873728).

Almost surely, 2^{320204103344140} is an apocalyptic number.

It is an amenable number.

320204103344140 is an abundant number, since it is smaller than the sum of its proper divisors (354914188110068).

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

320204103344140 is a wasteful number, since it uses less digits than its factorization.

320204103344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254126718 (or 254126465 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 320204103344140 its reverse (41443301402023), we get a palindrome (361647404746163).

The spelling of 320204103344140 in words is "three hundred twenty trillion, two hundred four billion, one hundred three million, three hundred forty-four thousand, one hundred forty".