20064366 has 48 divisors (see below), whose sum is σ = 50544000. Its totient is φ = 5633424.

The previous prime is 20064311. The next prime is 20064371. The reversal of 20064366 is 66346002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6085 + ... + 8783.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^20064366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20064366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25272000).

20064366 is an abundant number, since it is smaller than the sum of its proper divisors (30479634).

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

20064366 is a wasteful number, since it uses less digits than its factorization.

20064366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 20064366 is about 4479.3265118765. The cubic root of 20064366 is about 271.7326435078.

The spelling of 20064366 in words is "twenty million, sixty-four thousand, three hundred sixty-six".