20330924 has 6 divisors (see below), whose sum is σ = 35579124. Its totient is φ = 10165460.

The previous prime is 20330923. The next prime is 20330941. The reversal of 20330924 is 42903302.

It is a self number, because there is not a number n which added to its sum of digits gives 20330924.

It is not an unprimeable number, because it can be changed into a prime (20330923) by changing a digit.

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 as a sum of consecutive naturals, namely, 2541362 + ... + 2541369.

It is an arithmetic number, because the mean of its divisors is an integer number (5929854).

Almost surely, 2^20330924 is an apocalyptic number.

It is an amenable number.

20330924 is a deficient number, since it is larger than the sum of its proper divisors (15248200).

20330924 is a wasteful number, since it uses less digits than its factorization.

20330924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082735 (or 5082733 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20330924 is about 4508.9825903412. The cubic root of 20330924 is about 272.9306894672.

The spelling of 20330924 in words is "twenty million, three hundred thirty thousand, nine hundred twenty-four".