320420140310 has 16 divisors (see below), whose sum is σ = 590169189456. Its totient is φ = 125187403488.

The previous prime is 320420140301. The next prime is 320420140363. The reversal of 320420140310 is 13041024023.

It is a super-2 number, since 2×320420140310² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372581129 + ... + 372581988.

It is an arithmetic number, because the mean of its divisors is an integer number (36885574341).

Almost surely, 2^320420140310 is an apocalyptic number.

320420140310 is a deficient number, since it is larger than the sum of its proper divisors (269749049146).

320420140310 is a wasteful number, since it uses less digits than its factorization.

320420140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745163167.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320420140310 its reverse (13041024023), we get a palindrome (333461164333).

The spelling of 320420140310 in words is "three hundred twenty billion, four hundred twenty million, one hundred forty thousand, three hundred ten".