2020166 has 4 divisors (see below), whose sum is σ = 3030252. Its totient is φ = 1010082.

The previous prime is 2020153. The next prime is 2020171. The reversal of 2020166 is 6610202.

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

It is a super-3 number, since 3×2020166³ = 24733320618581802888, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505040 + ... + 505043.

It is an arithmetic number, because the mean of its divisors is an integer number (757563).

2^2020166 is an apocalyptic number.

2020166 is a deficient number, since it is larger than the sum of its proper divisors (1010086).

2020166 is a wasteful number, since it uses less digits than its factorization.

2020166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010085.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2020166 is about 1421.3254377517. The cubic root of 2020166 is about 126.4141491265.

Adding to 2020166 its reverse (6610202), we get a palindrome (8630368).

The spelling of 2020166 in words is "two million, twenty thousand, one hundred sixty-six".