2002001220287 has 2 divisors, whose sum is σ = 2002001220288. Its totient is φ = 2002001220286.

The previous prime is 2002001220283. The next prime is 2002001220311. The reversal of 2002001220287 is 7820221002002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002001220287 - 2² = 2002001220283 is a prime.

It is a super-4 number, since 4×2002001220287⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001220283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000610143 + 1001000610144.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000610144).

Almost surely, 2^{2002001220287} is an apocalyptic number.

2002001220287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001220287 is an equidigital number, since it uses as much as digits as its factorization.

2002001220287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 2002001220287 its reverse (7820221002002), we get a palindrome (9822222222289).

The spelling of 2002001220287 in words is "two trillion, two billion, one million, two hundred twenty thousand, two hundred eighty-seven".