20064066 has 32 divisors (see below), whose sum is σ = 44193600. Its totient is φ = 6022080.

The previous prime is 20064053. The next prime is 20064113. The reversal of 20064066 is 66046002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 2^20064066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20064066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22096800).

20064066 is an abundant number, since it is smaller than the sum of its proper divisors (24129534).

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

20064066 is a wasteful number, since it uses less digits than its factorization.

20064066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20064066 is about 4479.2930245743. The cubic root of 20064066 is about 271.7312891964.

The spelling of 20064066 in words is "twenty million, sixty-four thousand, sixty-six".