20104064 has 32 divisors (see below), whose sum is σ = 42411600. Its totient is φ = 9459712.

The previous prime is 20104043. The next prime is 20104067. The reversal of 20104064 is 46040102.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444 + ... + 6795.

Almost surely, 2^20104064 is an apocalyptic number.

It is an amenable number.

20104064 is an abundant number, since it is smaller than the sum of its proper divisors (22307536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104064 is an equidigital number, since it uses as much as digits as its factorization.

20104064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20104064 is about 4483.7555687169. The cubic root of 20104064 is about 271.9117360674.

Adding to 20104064 its reverse (46040102), we get a palindrome (66144166).

The spelling of 20104064 in words is "twenty million, one hundred four thousand, sixty-four".