20003330 has 32 divisors (see below), whose sum is σ = 38880000. Its totient is φ = 7387072.

The previous prime is 20003317. The next prime is 20003369. The reversal of 20003330 is 3330002.

It is a happy number.

It is a super-2 number, since 2×20003330² = 800266422177800, which contains 22 as substring.

20003330 is a modest number, since divided by 3330 gives 20 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^20003330 is an apocalyptic number.

20003330 is a deficient number, since it is larger than the sum of its proper divisors (18876670).

20003330 is a wasteful number, since it uses less digits than its factorization.

20003330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 20003330 is about 4472.5082448219. The cubic root of 20003330 is about 271.4568258412.

Adding to 20003330 its reverse (3330002), we get a palindrome (23333332).

The spelling of 20003330 in words is "twenty million, three thousand, three hundred thirty".