20104006 has 8 divisors (see below), whose sum is σ = 32475744. Its totient is φ = 9278760.

The previous prime is 20104003. The next prime is 20104031. The reversal of 20104006 is 60040102.

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104003) 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 3 ways as a sum of consecutive naturals, for example, 386590 + ... + 386641.

It is an arithmetic number, because the mean of its divisors is an integer number (4059468).

Almost surely, 2^20104006 is an apocalyptic number.

20104006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20104006 is a deficient number, since it is larger than the sum of its proper divisors (12371738).

20104006 is a wasteful number, since it uses less digits than its factorization.

20104006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773246.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20104006 is about 4483.7491009199. The cubic root of 20104006 is about 271.9114745797.

Adding to 20104006 its reverse (60040102), we get a palindrome (80144108).

The spelling of 20104006 in words is "twenty million, one hundred four thousand, six".