320140201 has 4 divisors (see below), whose sum is σ = 320230404. Its totient is φ = 320050000.

The previous prime is 320140127. The next prime is 320140211. The reversal of 320140201 is 102041023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102041023 = 7 ⋅14577289.

It can be written as a sum of positive squares in 2 ways, for example, as 215384976 + 104755225 = 14676^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 320140201 - 2²¹ = 318043049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320140211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39550 + ... + 46951.

It is an arithmetic number, because the mean of its divisors is an integer number (80057601).

Almost surely, 2^320140201 is an apocalyptic number.

It is an amenable number.

320140201 is a deficient number, since it is larger than the sum of its proper divisors (90203).

320140201 is an equidigital number, since it uses as much as digits as its factorization.

320140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90202.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320140201 is about 17892.4621279465. The cubic root of 320140201 is about 684.0902558931.

Adding to 320140201 its reverse (102041023), we get a palindrome (422181224).

The spelling of 320140201 in words is "three hundred twenty million, one hundred forty thousand, two hundred one".