20385536996147 has 2 divisors, whose sum is σ = 20385536996148. Its totient is φ = 20385536996146.

The previous prime is 20385536996101. The next prime is 20385536996183. The reversal of 20385536996147 is 74169963558302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20385536996147 - 2⁸ = 20385536995891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20385536992147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192768498073 + 10192768498074.

It is an arithmetic number, because the mean of its divisors is an integer number (10192768498074).

It is a 1-persistent number, because it is pandigital, but 2⋅20385536996147 = 40771073992294 is not.

Almost surely, 2^{20385536996147} is an apocalyptic number.

20385536996147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20385536996147 is an equidigital number, since it uses as much as digits as its factorization.

20385536996147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 68.

The spelling of 20385536996147 in words is "twenty trillion, three hundred eighty-five billion, five hundred thirty-six million, nine hundred ninety-six thousand, one hundred forty-seven".