2002120441 has 2 divisors, whose sum is σ = 2002120442. Its totient is φ = 2002120440.

The previous prime is 2002120369. The next prime is 2002120457. The reversal of 2002120441 is 1440212002.

It is an a-pointer prime, because the next prime (2002120457) can be obtained adding 2002120441 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1542918400 + 459202041 = 39280^2 + 21429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002120441 - 2¹⁵ = 2002087673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002120541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001060220 + 1001060221.

It is an arithmetic number, because the mean of its divisors is an integer number (1001060221).

Almost surely, 2^2002120441 is an apocalyptic number.

It is an amenable number.

2002120441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002120441 is an equidigital number, since it uses as much as digits as its factorization.

2002120441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2002120441 is about 44745.0605206876. The cubic root of 2002120441 is about 1260.3661573364.

Adding to 2002120441 its reverse (1440212002), we get a palindrome (3442332443).

The spelling of 2002120441 in words is "two billion, two million, one hundred twenty thousand, four hundred forty-one".