20064704 has 42 divisors (see below), whose sum is σ = 43781472. Its totient is φ = 9116800.

The previous prime is 20064701. The next prime is 20064721. The reversal of 20064704 is 40746002.

It is a self number, because there is not a number n which added to its sum of digits gives 20064704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6449 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (1042416).

Almost surely, 2^20064704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20064704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21890736).

20064704 is an abundant number, since it is smaller than the sum of its proper divisors (23716768).

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

20064704 is a wasteful number, since it uses less digits than its factorization.

20064704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20064704 is about 4479.3642406038. The cubic root of 20064704 is about 271.7341693491.

The spelling of 20064704 in words is "twenty million, sixty-four thousand, seven hundred four".