4442020213 has 2 divisors, whose sum is σ = 4442020214. Its totient is φ = 4442020212.

The previous prime is 4442020207. The next prime is 4442020223. The reversal of 4442020213 is 3120202444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3281800369 + 1160219844 = 57287^2 + 34062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442020213 - 2¹³ = 4442012021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442020223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221010106 + 2221010107.

It is an arithmetic number, because the mean of its divisors is an integer number (2221010107).

Almost surely, 2^4442020213 is an apocalyptic number.

It is an amenable number.

4442020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442020213 is an equidigital number, since it uses as much as digits as its factorization.

4442020213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4442020213 is about 66648.4824508405. The cubic root of 4442020213 is about 1643.8423950763.

Adding to 4442020213 its reverse (3120202444), we get a palindrome (7562222657).

The spelling of 4442020213 in words is "four billion, four hundred forty-two million, twenty thousand, two hundred thirteen".