320353107200272 has 20 divisors (see below), whose sum is σ = 621099874747980. Its totient is φ = 160069268555648.

The previous prime is 320353107200263. The next prime is 320353107200311. The reversal of 320353107200272 is 272002701353023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 286966852489216 + 33386254711056 = 16940096^2 + 5778084^2 .

It is a super-2 number, since 2×320353107200272² (a number of 30 digits) contains 22 as substring.

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, 6705290647 + ... + 6705338422.

It is an arithmetic number, because the mean of its divisors is an integer number (31054993737399).

Almost surely, 2^{320353107200272} is an apocalyptic number.

It is an amenable number.

320353107200272 is a deficient number, since it is larger than the sum of its proper divisors (300746767547708).

320353107200272 is a wasteful number, since it uses less digits than its factorization.

320353107200272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410630570 (or 13410630564 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

Adding to 320353107200272 its reverse (272002701353023), we get a palindrome (592355808553295).

The spelling of 320353107200272 in words is "three hundred twenty trillion, three hundred fifty-three billion, one hundred seven million, two hundred thousand, two hundred seventy-two".