320300021432 has 32 divisors (see below), whose sum is σ = 622252378800. Its totient is φ = 154442663424.

The previous prime is 320300021413. The next prime is 320300021477. The reversal of 320300021432 is 234120003023.

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, 4754582 + ... + 4821477.

Almost surely, 2^320300021432 is an apocalyptic number.

It is an amenable number.

320300021432 is a deficient number, since it is larger than the sum of its proper divisors (301952357368).

320300021432 is a wasteful number, since it uses less digits than its factorization.

320300021432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576215 (or 9576211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320300021432 its reverse (234120003023), we get a palindrome (554420024455).

The spelling of 320300021432 in words is "three hundred twenty billion, three hundred million, twenty-one thousand, four hundred thirty-two".