2020234221 has 18 divisors (see below), whose sum is σ = 3022221930. Its totient is φ = 1300375776.

The previous prime is 2020234211. The next prime is 2020234247. The reversal of 2020234221 is 1224320202.

It can be written as a sum of positive squares in 3 ways, for example, as 395015625 + 1625218596 = 19875^2 + 40314^2 .

It is not a de Polignac number, because 2020234221 - 2⁷ = 2020234093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020234194 and 2020234203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020234211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 125886 + ... + 141023.

Almost surely, 2^2020234221 is an apocalyptic number.

It is an amenable number.

2020234221 is a deficient number, since it is larger than the sum of its proper divisors (1001987709).

2020234221 is a wasteful number, since it uses less digits than its factorization.

2020234221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266973 (or 266941 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2020234221 is about 44947.0157073860. The cubic root of 2020234221 is about 1264.1557211225.

Adding to 2020234221 its reverse (1224320202), we get a palindrome (3244554423).

The spelling of 2020234221 in words is "two billion, twenty million, two hundred thirty-four thousand, two hundred twenty-one".