2020653 has 16 divisors (see below), whose sum is σ = 3040960. Its totient is φ = 1325808.

The previous prime is 2020621. The next prime is 2020657. The reversal of 2020653 is 3560202.

It is not a de Polignac number, because 2020653 - 2⁵ = 2020621 is a prime.

It is a Duffinian number.

2020653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020657) 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 15 ways as a sum of consecutive naturals, for example, 1251 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (190060).

2^2020653 is an apocalyptic number.

It is an amenable number.

2020653 is a deficient number, since it is larger than the sum of its proper divisors (1020307).

2020653 is a wasteful number, since it uses less digits than its factorization.

2020653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1187 counting only the distinct ones).

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

The square root of 2020653 is about 1421.4967463909. The cubic root of 2020653 is about 126.4243065004.

Adding to 2020653 its reverse (3560202), we get a palindrome (5580855).

The spelling of 2020653 in words is "two million, twenty thousand, six hundred fifty-three".