320300003221 has 48 divisors (see below), whose sum is σ = 364934689344. Its totient is φ = 278685792000.

The previous prime is 320300003161. The next prime is 320300003269. The reversal of 320300003221 is 122300003023.

It is not a de Polignac number, because 320300003221 - 2²³ = 320291614613 is a prime.

It is a super-2 number, since 2×320300003221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320300003195 and 320300003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320300003281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271210251 + ... + 271211431.

It is an arithmetic number, because the mean of its divisors is an integer number (7602806028).

Almost surely, 2^320300003221 is an apocalyptic number.

It is an amenable number.

320300003221 is a deficient number, since it is larger than the sum of its proper divisors (44634686123).

320300003221 is a wasteful number, since it uses less digits than its factorization.

320300003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 320300003221 its reverse (122300003023), we get a palindrome (442600006244).

The spelling of 320300003221 in words is "three hundred twenty billion, three hundred million, three thousand, two hundred twenty-one".