2020066 has 4 divisors (see below), whose sum is σ = 3030102. Its totient is φ = 1010032.

The previous prime is 2020043. The next prime is 2020079. The reversal of 2020066 is 6600202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 184041 = 1355^2 + 429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505015 + ... + 505018.

2^2020066 is an apocalyptic number.

2020066 is a deficient number, since it is larger than the sum of its proper divisors (1010036).

2020066 is a wasteful number, since it uses less digits than its factorization.

2020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010035.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2020066 is about 1421.2902588845. The cubic root of 2020066 is about 126.4120632214.

Adding to 2020066 its reverse (6600202), we get a palindrome (8620268).

The spelling of 2020066 in words is "two million, twenty thousand, sixty-six".