2020563 has 12 divisors (see below), whose sum is σ = 2930928. Its totient is φ = 1341360.

The previous prime is 2020561. The next prime is 2020591. The reversal of 2020563 is 3650202.

It is not a de Polignac number, because 2020563 - 2¹ = 2020561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020561) 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, 3906 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (244244).

2^2020563 is an apocalyptic number.

2020563 is a deficient number, since it is larger than the sum of its proper divisors (910365).

2020563 is a wasteful number, since it uses less digits than its factorization.

2020563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2020563 is about 1421.4650892653. The cubic root of 2020563 is about 126.4224294905.

Adding to 2020563 its reverse (3650202), we get a palindrome (5670765).

The spelling of 2020563 in words is "two million, twenty thousand, five hundred sixty-three".