220320312004 has 24 divisors (see below), whose sum is σ = 415392364800. Its totient is φ = 101643853344.

The previous prime is 220320311989. The next prime is 220320312101. The reversal of 220320312004 is 400213023022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758314 + ... + 1007809.

It is an arithmetic number, because the mean of its divisors is an integer number (17308015200).

Almost surely, 2^220320312004 is an apocalyptic number.

It is an amenable number.

220320312004 is a deficient number, since it is larger than the sum of its proper divisors (195072052796).

220320312004 is a wasteful number, since it uses less digits than its factorization.

220320312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768539 (or 1768537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220320312004 its reverse (400213023022), we get a palindrome (620533335026).

The spelling of 220320312004 in words is "two hundred twenty billion, three hundred twenty million, three hundred twelve thousand, four".