2020087 has 4 divisors (see below), whose sum is σ = 2034760. Its totient is φ = 2005416.

The previous prime is 2020079. The next prime is 2020091. The reversal of 2020087 is 7800202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020087 - 2³ = 2020079 is a prime.

It is a Duffinian number.

2020087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020027) 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, 7128 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (508690).

2^2020087 is an apocalyptic number.

2020087 is a deficient number, since it is larger than the sum of its proper divisors (14673).

2020087 is a wasteful number, since it uses less digits than its factorization.

2020087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14672.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2020087 is about 1421.2976465188. The cubic root of 2020087 is about 126.4125012672.

Adding to 2020087 its reverse (7800202), we get a palindrome (9820289).

The spelling of 2020087 in words is "two million, twenty thousand, eighty-seven".