2060821 has 4 divisors (see below), whose sum is σ = 2355232. Its totient is φ = 1766412.

The previous prime is 2060803. The next prime is 2060843. The reversal of 2060821 is 1280602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2060821 - 2¹¹ = 2058773 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 (2060801) 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, 147195 + ... + 147208.

It is an arithmetic number, because the mean of its divisors is an integer number (588808).

2^2060821 is an apocalyptic number.

It is an amenable number.

2060821 is a deficient number, since it is larger than the sum of its proper divisors (294411).

2060821 is an equidigital number, since it uses as much as digits as its factorization.

2060821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294410.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2060821 is about 1435.5559898520. Note that the first 3 decimals coincide. The cubic root of 2060821 is about 127.2565339787.

The spelling of 2060821 in words is "two million, sixty thousand, eight hundred twenty-one".