2020187 has 4 divisors (see below), whose sum is σ = 2175600. Its totient is φ = 1864776.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020187 is 7810202.

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 2020187 - 2⁴ = 2020171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020181) 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, 77687 + ... + 77712.

It is an arithmetic number, because the mean of its divisors is an integer number (543900).

2^2020187 is an apocalyptic number.

2020187 is a deficient number, since it is larger than the sum of its proper divisors (155413).

2020187 is a wasteful number, since it uses less digits than its factorization.

2020187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155412.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2020187 is about 1421.3328252032. The cubic root of 2020187 is about 126.4145871578.

Adding to 2020187 its reverse (7810202), we get a palindrome (9830389).

The spelling of 2020187 in words is "two million, twenty thousand, one hundred eighty-seven".