2020185 has 12 divisors (see below), whose sum is σ = 3501732. Its totient is φ = 1077408.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020185 is 5810202.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 1121481 = 948^2 + 1059^2 .

It is not a de Polignac number, because 2020185 - 2² = 2020181 is a prime.

It is a super-2 number, since 2×2020185² = 8162294868450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2020181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22402 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (291811).

2^2020185 is an apocalyptic number.

It is an amenable number.

2020185 is a deficient number, since it is larger than the sum of its proper divisors (1481547).

2020185 is a wasteful number, since it uses less digits than its factorization.

2020185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44904 (or 44901 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2020185 is about 1421.3321216380. The cubic root of 2020185 is about 126.4145454406.

Adding to 2020185 its reverse (5810202), we get a palindrome (7830387).

The spelling of 2020185 in words is "two million, twenty thousand, one hundred eighty-five".