2020173 has 4 divisors (see below), whose sum is σ = 2693568. Its totient is φ = 1346780.

The previous prime is 2020171. The next prime is 2020181. The reversal of 2020173 is 3710202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020173 - 2¹ = 2020171 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020171) 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 3 ways as a sum of consecutive naturals, for example, 336693 + ... + 336698.

It is an arithmetic number, because the mean of its divisors is an integer number (673392).

2^2020173 is an apocalyptic number.

It is an amenable number.

2020173 is a deficient number, since it is larger than the sum of its proper divisors (673395).

2020173 is an equidigital number, since it uses as much as digits as its factorization.

2020173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673394.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2020173 is about 1421.3279002398. The cubic root of 2020173 is about 126.4142951372.

Adding to 2020173 its reverse (3710202), we get a palindrome (5730375).

The spelling of 2020173 in words is "two million, twenty thousand, one hundred seventy-three".