2002001220205 has 64 divisors (see below), whose sum is σ = 2773217779200. Its totient is φ = 1359087206400.

The previous prime is 2002001220077. The next prime is 2002001220227. The reversal of 2002001220205 is 5020221002002.

It is not a de Polignac number, because 2002001220205 - 2⁷ = 2002001220077 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 1253600467 + ... + 1253602063.

It is an arithmetic number, because the mean of its divisors is an integer number (43331527800).

Almost surely, 2^{2002001220205} is an apocalyptic number.

It is an amenable number.

2002001220205 is a deficient number, since it is larger than the sum of its proper divisors (771216558995).

2002001220205 is a wasteful number, since it uses less digits than its factorization.

2002001220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 2002001220205 its reverse (5020221002002), we get a palindrome (7022222222207).

The spelling of 2002001220205 in words is "two trillion, two billion, one million, two hundred twenty thousand, two hundred five".