20340044 has 6 divisors (see below), whose sum is σ = 35595084. Its totient is φ = 10170020.

The previous prime is 20340037. The next prime is 20340097. The reversal of 20340044 is 44004302.

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 as a sum of consecutive naturals, namely, 2542502 + ... + 2542509.

It is an arithmetic number, because the mean of its divisors is an integer number (5932514).

Almost surely, 2^20340044 is an apocalyptic number.

It is an amenable number.

20340044 is a deficient number, since it is larger than the sum of its proper divisors (15255040).

20340044 is a wasteful number, since it uses less digits than its factorization.

20340044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085015 (or 5085013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20340044 is about 4509.9937915700. The cubic root of 20340044 is about 272.9714935774.

Adding to 20340044 its reverse (44004302), we get a palindrome (64344346).

The spelling of 20340044 in words is "twenty million, three hundred forty thousand, forty-four".