2002001220195 has 16 divisors (see below), whose sum is σ = 3216949605792. Its totient is φ = 1063151432960.

The previous prime is 2002001220077. The next prime is 2002001220227. The reversal of 2002001220195 is 5910221002002.

It is not a de Polignac number, because 2002001220195 - 2²² = 2001997025891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286405836 + ... + 286412825.

It is an arithmetic number, because the mean of its divisors is an integer number (201059350362).

Almost surely, 2^{2002001220195} is an apocalyptic number.

2002001220195 is a deficient number, since it is larger than the sum of its proper divisors (1214948385597).

2002001220195 is a wasteful number, since it uses less digits than its factorization.

2002001220195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572818902.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 2002001220195 its reverse (5910221002002), we get a palindrome (7912222222197).

The spelling of 2002001220195 in words is "two trillion, two billion, one million, two hundred twenty thousand, one hundred ninety-five".