2020395 has 24 divisors (see below), whose sum is σ = 3504816. Its totient is φ = 993408.

The previous prime is 2020393. The next prime is 2020409. The reversal of 2020395 is 5930202.

It is not a de Polignac number, because 2020395 - 2¹ = 2020393 is a prime.

It is a d-powerful number, because it can be written as 2 + 0 + 2¹³ + 0 + 3³ + 9⁵ + 5⁹ .

2020395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2020391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (146034).

2^2020395 is an apocalyptic number.

2020395 is a deficient number, since it is larger than the sum of its proper divisors (1484421).

2020395 is a wasteful number, since it uses less digits than its factorization.

2020395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2020395 is about 1421.4059940777. The cubic root of 2020395 is about 126.4189255898.

Adding to 2020395 its reverse (5930202), we get a palindrome (7950597).

It can be divided in two parts, 2020 and 395, that added together give a triangular number (2415 = T₆₉).

The spelling of 2020395 in words is "two million, twenty thousand, three hundred ninety-five".