2020997 has 8 divisors (see below), whose sum is σ = 2216160. Its totient is φ = 1827760.

The previous prime is 2020979. The next prime is 2020999. The reversal of 2020997 is 7990202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020997 - 2⁶ = 2020933 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2618 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

2^2020997 is an apocalyptic number.

It is an amenable number.

2020997 is a deficient number, since it is larger than the sum of its proper divisors (195163).

2020997 is a wasteful number, since it uses less digits than its factorization.

2020997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2020997 is about 1421.6177404633. The cubic root of 2020997 is about 126.4314803354.

The spelling of 2020997 in words is "two million, twenty thousand, nine hundred ninety-seven".