2020055 has 4 divisors (see below), whose sum is σ = 2424072. Its totient is φ = 1616040.

The previous prime is 2020043. The next prime is 2020079. The reversal of 2020055 is 5500202.

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

It is not a de Polignac number, because 2020055 - 2⁸ = 2019799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202001 + ... + 202010.

It is an arithmetic number, because the mean of its divisors is an integer number (606018).

2^2020055 is an apocalyptic number.

2020055 is a deficient number, since it is larger than the sum of its proper divisors (404017).

2020055 is an equidigital number, since it uses as much as digits as its factorization.

2020055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404016.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 2020055 is about 1421.2863891560. The cubic root of 2020055 is about 126.4118337676.

Adding to 2020055 its reverse (5500202), we get a palindrome (7520257).

It can be divided in two parts, 202005 and 5, that multiplied together give a square (1010025 = 1005²).

The spelling of 2020055 in words is "two million, twenty thousand, fifty-five".