2020371 has 4 divisors (see below), whose sum is σ = 2693832. Its totient is φ = 1346912.

The previous prime is 2020321. The next prime is 2020387. The reversal of 2020371 is 1730202.

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 2020371 - 2⁷ = 2020243 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020371.

It is not an unprimeable number, because it can be changed into a prime (2020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336726 + ... + 336731.

It is an arithmetic number, because the mean of its divisors is an integer number (673458).

2^2020371 is an apocalyptic number.

2020371 is a deficient number, since it is larger than the sum of its proper divisors (673461).

2020371 is an equidigital number, since it uses as much as digits as its factorization.

2020371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673460.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2020371 is about 1421.3975517075. The cubic root of 2020371 is about 126.4184250167.

Adding to 2020371 its reverse (1730202), we get a palindrome (3750573).

The spelling of 2020371 in words is "two million, twenty thousand, three hundred seventy-one".