20104246 has 16 divisors (see below), whose sum is σ = 31119264. Its totient is φ = 9733824.

The previous prime is 20104241. The next prime is 20104307. The reversal of 20104246 is 64240102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18946 + ... + 19978.

It is an arithmetic number, because the mean of its divisors is an integer number (1944954).

Almost surely, 2^20104246 is an apocalyptic number.

20104246 is a deficient number, since it is larger than the sum of its proper divisors (11015018).

20104246 is a wasteful number, since it uses less digits than its factorization.

20104246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20104246 is about 4483.7758641574. The cubic root of 20104246 is about 271.9125565944.

Adding to 20104246 its reverse (64240102), we get a palindrome (84344348).

The spelling of 20104246 in words is "twenty million, one hundred four thousand, two hundred forty-six".