320403343034120 has 16 divisors (see below), whose sum is σ = 720907521826860. Its totient is φ = 128161337213632.

The previous prime is 320403343034057. The next prime is 320403343034221. The reversal of 320403343034120 is 21430343304023.

It can be written as a sum of positive squares in 2 ways, for example, as 285235145876836 + 35168197157284 = 16888906^2 + 5930278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005041787887 + ... + 4005041787966.

Almost surely, 2^{320403343034120} is an apocalyptic number.

It is an amenable number.

320403343034120 is an abundant number, since it is smaller than the sum of its proper divisors (400504178792740).

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

320403343034120 is a wasteful number, since it uses less digits than its factorization.

320403343034120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010083575864 (or 8010083575860 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 320403343034120 its reverse (21430343304023), we get a palindrome (341833686338143).

The spelling of 320403343034120 in words is "three hundred twenty trillion, four hundred three billion, three hundred forty-three million, thirty-four thousand, one hundred twenty".