2002001120047 has 2 divisors, whose sum is σ = 2002001120048. Its totient is φ = 2002001120046.

The previous prime is 2002001120029. The next prime is 2002001120081. The reversal of 2002001120047 is 7400211002002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002001120047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001120347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000560023 + 1001000560024.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000560024).

Almost surely, 2^{2002001120047} is an apocalyptic number.

2002001120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001120047 is an equidigital number, since it uses as much as digits as its factorization.

2002001120047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 2002001120047 its reverse (7400211002002), we get a palindrome (9402212122049).

The spelling of 2002001120047 in words is "two trillion, two billion, one million, one hundred twenty thousand, forty-seven".