320220441 has 12 divisors (see below), whose sum is σ = 473297968. Its totient is φ = 208515384.

The previous prime is 320220431. The next prime is 320220451. The reversal of 320220441 is 144022023.

320220441 is a `hidden beast` number, since 3 + 2 + 0 + 220 + 441 = 666.

It is an interprime number because it is at equal distance from previous prime (320220431) and next prime (320220451).

It is not a de Polignac number, because 320220441 - 2⁹ = 320219929 is a prime.

It is a super-2 number, since 2×320220441² = 205082261668468962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413335 + ... + 414108.

Almost surely, 2^320220441 is an apocalyptic number.

It is an amenable number.

320220441 is a deficient number, since it is larger than the sum of its proper divisors (153077527).

320220441 is a wasteful number, since it uses less digits than its factorization.

320220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827492 (or 827489 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 320220441 is about 17894.7042724936. The cubic root of 320220441 is about 684.1474046221.

Adding to 320220441 its reverse (144022023), we get a palindrome (464242464).

The spelling of 320220441 in words is "three hundred twenty million, two hundred twenty thousand, four hundred forty-one".