320561002010 has 32 divisors (see below), whose sum is σ = 637514675712. Its totient is φ = 115434753280.

The previous prime is 320561001991. The next prime is 320561002031. The reversal of 320561002010 is 10200165023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40988546 + ... + 40996365.

It is an arithmetic number, because the mean of its divisors is an integer number (19922333616).

Almost surely, 2^320561002010 is an apocalyptic number.

320561002010 is a deficient number, since it is larger than the sum of its proper divisors (316953673702).

320561002010 is a wasteful number, since it uses less digits than its factorization.

320561002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81984958.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 320561002010 its reverse (10200165023), we get a palindrome (330761167033).

The spelling of 320561002010 in words is "three hundred twenty billion, five hundred sixty-one million, two thousand, ten".