2030221 has 8 divisors (see below), whose sum is σ = 2124800. Its totient is φ = 1937520.

The previous prime is 2030213. The next prime is 2030243. The reversal of 2030221 is 1220302.

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

It is a cyclic number.

It is not a de Polignac number, because 2030221 - 2³ = 2030213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030198 and 2030207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030251) 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, 2035 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (265600).

2^2030221 is an apocalyptic number.

It is an amenable number.

2030221 is a deficient number, since it is larger than the sum of its proper divisors (94579).

2030221 is an equidigital number, since it uses as much as digits as its factorization.

2030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2030221 is about 1424.8582385627. The cubic root of 2030221 is about 126.6235364084.

Adding to 2030221 its reverse (1220302), we get a palindrome (3250523).

The spelling of 2030221 in words is "two million, thirty thousand, two hundred twenty-one".