2002021193 has 2 divisors, whose sum is σ = 2002021194. Its totient is φ = 2002021192.

The previous prime is 2002021183. The next prime is 2002021207. The reversal of 2002021193 is 3911202002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972514569 + 29506624 = 44413^2 + 5432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002021193 - 2⁶ = 2002021129 is a prime.

It is a super-2 number, since 2×2002021193² = 8016177714442286498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002021163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001010596 + 1001010597.

It is an arithmetic number, because the mean of its divisors is an integer number (1001010597).

Almost surely, 2^2002021193 is an apocalyptic number.

It is an amenable number.

2002021193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002021193 is an equidigital number, since it uses as much as digits as its factorization.

2002021193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2002021193 is about 44743.9514683270. The cubic root of 2002021193 is about 1260.3453309357.

Adding to 2002021193 its reverse (3911202002), we get a palindrome (5913223195).

The spelling of 2002021193 in words is "two billion, two million, twenty-one thousand, one hundred ninety-three".