20410330 has 8 divisors (see below), whose sum is σ = 36738612. Its totient is φ = 8164128.

The previous prime is 20410303. The next prime is 20410331. The reversal of 20410330 is 3301402.

It can be written as a sum of positive squares in 2 ways, for example, as 18722929 + 1687401 = 4327^2 + 1299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20410330.

It is not an unprimeable number, because it can be changed into a prime (20410331) 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, 1020507 + ... + 1020526.

Almost surely, 2^20410330 is an apocalyptic number.

20410330 is a deficient number, since it is larger than the sum of its proper divisors (16328282).

20410330 is a wasteful number, since it uses less digits than its factorization.

20410330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041040.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20410330 is about 4517.7793217465. The cubic root of 20410330 is about 273.2855541445.

Adding to 20410330 its reverse (3301402), we get a palindrome (23711732).

The spelling of 20410330 in words is "twenty million, four hundred ten thousand, three hundred thirty".