2020440173 has 4 divisors (see below), whose sum is σ = 2020536540. Its totient is φ = 2020343808.

The previous prime is 2020440143. The next prime is 2020440181. The reversal of 2020440173 is 3710440202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1958770564 + 61669609 = 44258^2 + 7853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020440173 - 2¹⁶ = 2020374637 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 (2020440143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940 + ... + 63597.

It is an arithmetic number, because the mean of its divisors is an integer number (505134135).

Almost surely, 2^2020440173 is an apocalyptic number.

It is an amenable number.

2020440173 is a deficient number, since it is larger than the sum of its proper divisors (96367).

2020440173 is an equidigital number, since it uses as much as digits as its factorization.

2020440173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96366.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2020440173 is about 44949.3067021061. The cubic root of 2020440173 is about 1264.1986776190.

Adding to 2020440173 its reverse (3710440202), we get a palindrome (5730880375).

The spelling of 2020440173 in words is "two billion, twenty million, four hundred forty thousand, one hundred seventy-three".