2020066165 has 8 divisors (see below), whose sum is σ = 2610547128. Its totient is φ = 1491741120.

The previous prime is 2020066163. The next prime is 2020066183. The reversal of 2020066165 is 5616600202.

It can be written as a sum of positive squares in 4 ways, for example, as 59259204 + 1960806961 = 7698^2 + 44281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020066165 - 2¹ = 2020066163 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538906 + ... + 15539035.

It is an arithmetic number, because the mean of its divisors is an integer number (326318391).

Almost surely, 2^2020066165 is an apocalyptic number.

It is an amenable number.

2020066165 is a deficient number, since it is larger than the sum of its proper divisors (590480963).

2020066165 is a wasteful number, since it uses less digits than its factorization.

2020066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31077959.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2020066165 is about 44945.1461784251. The cubic root of 2020066165 is about 1264.1206666318.

Adding to 2020066165 its reverse (5616600202), we get a palindrome (7636666367).

The spelling of 2020066165 in words is "two billion, twenty million, sixty-six thousand, one hundred sixty-five".