2020066164 has 18 divisors (see below), whose sum is σ = 5106278450. Its totient is φ = 673355376.

The previous prime is 2020066163. The next prime is 2020066183. The reversal of 2020066164 is 4616600202.

It is a happy number.

2020066164 is a `hidden beast` number, since 20 + 20 + 0 + 6 + 616 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1285222500 + 734843664 = 35850^2 + 27108^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020066163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28056439 + ... + 28056510.

Almost surely, 2^2020066164 is an apocalyptic number.

It is an amenable number.

2020066164 is an abundant number, since it is smaller than the sum of its proper divisors (3086212286).

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

2020066164 is a wasteful number, since it uses less digits than its factorization.

2020066164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56112959 (or 56112954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2020066164 is about 44945.1461673004. The cubic root of 2020066164 is about 1264.1206664232.

Adding to 2020066164 its reverse (4616600202), we get a palindrome (6636666366).

The spelling of 2020066164 in words is "two billion, twenty million, sixty-six thousand, one hundred sixty-four".