320204141 has 4 divisors (see below), whose sum is σ = 320242272. Its totient is φ = 320166012.

The previous prime is 320204119. The next prime is 320204149. The reversal of 320204141 is 141402023.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141402023 = 7 ⋅20200289.

It is a cyclic number.

It is not a de Polignac number, because 320204141 - 2²⁶ = 253095277 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 (320204149) 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, 335 + ... + 25308.

It is an arithmetic number, because the mean of its divisors is an integer number (80060568).

Almost surely, 2^320204141 is an apocalyptic number.

It is an amenable number.

320204141 is a deficient number, since it is larger than the sum of its proper divisors (38131).

320204141 is a wasteful number, since it uses less digits than its factorization.

320204141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320204141 is about 17894.2488246923. The cubic root of 320204141 is about 684.1357961690.

Adding to 320204141 its reverse (141402023), we get a palindrome (461606164).

The spelling of 320204141 in words is "three hundred twenty million, two hundred four thousand, one hundred forty-one".