320022255541 has 4 divisors (see below), whose sum is σ = 320075009632. Its totient is φ = 319969501452.

The previous prime is 320022255529. The next prime is 320022255551. The reversal of 320022255541 is 145552220023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320022255541 - 2⁹ = 320022255029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320022255551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26367945 + ... + 26380078.

It is an arithmetic number, because the mean of its divisors is an integer number (80018752408).

Almost surely, 2^320022255541 is an apocalyptic number.

It is an amenable number.

320022255541 is a deficient number, since it is larger than the sum of its proper divisors (52754091).

320022255541 is an equidigital number, since it uses as much as digits as its factorization.

320022255541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52754090.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 320022255541 its reverse (145552220023), we get a palindrome (465574475564).

The spelling of 320022255541 in words is "three hundred twenty billion, twenty-two million, two hundred fifty-five thousand, five hundred forty-one".