2020686 has 16 divisors (see below), whose sum is σ = 4108368. Its totient is φ = 662400.

The previous prime is 2020679. The next prime is 2020687. The reversal of 2020686 is 6860202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020687) 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 7 ways as a sum of consecutive naturals, for example, 2395 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (256773).

2^2020686 is an apocalyptic number.

2020686 is an abundant number, since it is smaller than the sum of its proper divisors (2087682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020686 is a wasteful number, since it uses less digits than its factorization.

2020686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2020686 is about 1421.5083538270. The cubic root of 2020686 is about 126.4249947233.

Adding to 2020686 its reverse (6860202), we get a palindrome (8880888).

It can be divided in two parts, 20 and 20686, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 2020686 in words is "two million, twenty thousand, six hundred eighty-six".