2002001220196 has 6 divisors (see below), whose sum is σ = 3503502135350. Its totient is φ = 1001000610096.

The previous prime is 2002001220077. The next prime is 2002001220227. The reversal of 2002001220196 is 6910221002002.

It can be written as a sum of positive squares in only one way, i.e., 1797036767296 + 204964452900 = 1340536^2 + 452730^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2002001220196.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250152521 + ... + 250250152528.

Almost surely, 2^{2002001220196} is an apocalyptic number.

It is an amenable number.

2002001220196 is a deficient number, since it is larger than the sum of its proper divisors (1501500915154).

2002001220196 is a wasteful number, since it uses less digits than its factorization.

2002001220196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500500305053 (or 500500305051 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 2002001220196 its reverse (6910221002002), we get a palindrome (8912222222198).

The spelling of 2002001220196 in words is "two trillion, two billion, one million, two hundred twenty thousand, one hundred ninety-six".