320202011 has 4 divisors (see below), whose sum is σ = 320671512. Its totient is φ = 319732512.

The previous prime is 320201989. The next prime is 320202019. The reversal of 320202011 is 110202023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110202023 = 8663 ⋅12721.

It is a cyclic number.

It is not a de Polignac number, because 320202011 - 2²⁶ = 253093147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320201983 and 320202001.

It is not an unprimeable number, because it can be changed into a prime (320202019) 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, 233726 + ... + 235091.

It is an arithmetic number, because the mean of its divisors is an integer number (80167878).

Almost surely, 2^320202011 is an apocalyptic number.

320202011 is a deficient number, since it is larger than the sum of its proper divisors (469501).

320202011 is an equidigital number, since it uses as much as digits as its factorization.

320202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469500.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 320202011 is about 17894.1893082643. The cubic root of 320202011 is about 684.1342792071.

Adding to 320202011 its reverse (110202023), we get a palindrome (430404034).

The spelling of 320202011 in words is "three hundred twenty million, two hundred two thousand, eleven".