320030010 has 48 divisors (see below), whose sum is σ = 852382440. Its totient is φ = 83258880.

The previous prime is 320029991. The next prime is 320030033. The reversal of 320030010 is 10030023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 187388721 + 132641289 = 13689^2 + 11517^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320029974 and 320030001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39675 + ... + 47054.

Almost surely, 2^320030010 is an apocalyptic number.

320030010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320030010 is an abundant number, since it is smaller than the sum of its proper divisors (532352430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320030010 is a wasteful number, since it uses less digits than its factorization.

320030010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86783 (or 86780 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 320030010 is about 17889.3826053333. The cubic root of 320030010 is about 684.0117598265.

Adding to 320030010 its reverse (10030023), we get a palindrome (330060033).

The spelling of 320030010 in words is "three hundred twenty million, thirty thousand, ten".