2020995 has 24 divisors (see below), whose sum is σ = 3546816. Its totient is φ = 1064448.

The previous prime is 2020979. The next prime is 2020999. The reversal of 2020995 is 5990202.

It is not a de Polignac number, because 2020995 - 2⁴ = 2020979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020999) 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, 4134 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (147784).

2^2020995 is an apocalyptic number.

2020995 is a deficient number, since it is larger than the sum of its proper divisors (1525821).

2020995 is a wasteful number, since it uses less digits than its factorization.

2020995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2020995 is about 1421.6170370392. The cubic root of 2020995 is about 126.4314386294.

The spelling of 2020995 in words is "two million, twenty thousand, nine hundred ninety-five".