320000420912 has 20 divisors (see below), whose sum is σ = 620031780456. Its totient is φ = 159992219520.

The previous prime is 320000420903. The next prime is 320000420953. The reversal of 320000420912 is 219024000023.

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, 162158 + ... + 816269.

Almost surely, 2^320000420912 is an apocalyptic number.

It is an amenable number.

320000420912 is a deficient number, since it is larger than the sum of its proper divisors (300031359544).

320000420912 is a wasteful number, since it uses less digits than its factorization.

320000420912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998876 (or 998870 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 320000420912 its reverse (219024000023), we get a palindrome (539024420935).

The spelling of 320000420912 in words is "three hundred twenty billion, four hundred twenty thousand, nine hundred twelve".