320002011 has 48 divisors (see below), whose sum is σ = 548031744. Its totient is φ = 176116032.

The previous prime is 320001977. The next prime is 320002021. The reversal of 320002011 is 110200023.

It is a happy number.

It is not a de Polignac number, because 320002011 - 2⁷ = 320001883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 320001984 and 320002002.

It is not an unprimeable number, because it can be changed into a prime (320002021) 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 47 ways as a sum of consecutive naturals, for example, 248776 + ... + 250058.

It is an arithmetic number, because the mean of its divisors is an integer number (11417328).

Almost surely, 2^320002011 is an apocalyptic number.

320002011 is a deficient number, since it is larger than the sum of its proper divisors (228029733).

320002011 is a wasteful number, since it uses less digits than its factorization.

320002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 320002011 is about 17888.6000290688. The cubic root of 320002011 is about 683.9918114850.

Adding to 320002011 its reverse (110200023), we get a palindrome (430202034).

The spelling of 320002011 in words is "three hundred twenty million, two thousand, eleven".