320510512042 has 96 divisors (see below), whose sum is σ = 629274199680. Its totient is φ = 121437550080.

The previous prime is 320510512039. The next prime is 320510512079. The reversal of 320510512042 is 240215015023.

It is a junction number, because it is equal to n+sod(n) for n = 320510511998 and 320510512016.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1664598 + ... + 1847134.

It is an arithmetic number, because the mean of its divisors is an integer number (6554939580).

Almost surely, 2^320510512042 is an apocalyptic number.

320510512042 is a deficient number, since it is larger than the sum of its proper divisors (308763687638).

320510512042 is a wasteful number, since it uses less digits than its factorization.

320510512042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182636 (or 182629 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 320510512042 its reverse (240215015023), we get a palindrome (560725527065).

The spelling of 320510512042 in words is "three hundred twenty billion, five hundred ten million, five hundred twelve thousand, forty-two".