20001200200147 has 2 divisors, whose sum is σ = 20001200200148. Its totient is φ = 20001200200146.

The previous prime is 20001200200001. The next prime is 20001200200153. The reversal of 20001200200147 is 74100200210002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001200200147 - 2¹⁵ = 20001200167379 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001200203147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000600100073 + 10000600100074.

It is an arithmetic number, because the mean of its divisors is an integer number (10000600100074).

Almost surely, 2^{20001200200147} is an apocalyptic number.

20001200200147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001200200147 is an equidigital number, since it uses as much as digits as its factorization.

20001200200147 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20001200200147 its reverse (74100200210002), we get a palindrome (94101400410149).

The spelling of 20001200200147 in words is "twenty trillion, one billion, two hundred million, two hundred thousand, one hundred forty-seven".