2030240221 has 2 divisors, whose sum is σ = 2030240222. Its totient is φ = 2030240220.

The previous prime is 2030240203. The next prime is 2030240263. The reversal of 2030240221 is 1220420302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2026260196 + 3980025 = 45014^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030240221 - 2⁹ = 2030239709 is a prime.

It is a super-2 number, since 2×2030240221² = 8243750709932257682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2030240195 and 2030240204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030240281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015120110 + 1015120111.

It is an arithmetic number, because the mean of its divisors is an integer number (1015120111).

Almost surely, 2^2030240221 is an apocalyptic number.

It is an amenable number.

2030240221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030240221 is an equidigital number, since it uses as much as digits as its factorization.

2030240221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2030240221 is about 45058.1870585136. The cubic root of 2030240221 is about 1266.2393600745.

Adding to 2030240221 its reverse (1220420302), we get a palindrome (3250660523).

The spelling of 2030240221 in words is "two billion, thirty million, two hundred forty thousand, two hundred twenty-one".