20021102200147 has 2 divisors, whose sum is σ = 20021102200148. Its totient is φ = 20021102200146.

The previous prime is 20021102200081. The next prime is 20021102200171. The reversal of 20021102200147 is 74100220112002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20021102200147 - 2³⁵ = 19986742461779 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021102200247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010551100073 + 10010551100074.

It is an arithmetic number, because the mean of its divisors is an integer number (10010551100074).

Almost surely, 2^{20021102200147} is an apocalyptic number.

20021102200147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021102200147 is an equidigital number, since it uses as much as digits as its factorization.

20021102200147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 20021102200147 its reverse (74100220112002), we get a palindrome (94121322312149).

The spelling of 20021102200147 in words is "twenty trillion, twenty-one billion, one hundred two million, two hundred thousand, one hundred forty-seven".