20085485066071 has 2 divisors, whose sum is σ = 20085485066072. Its totient is φ = 20085485066070.

The previous prime is 20085485066051. The next prime is 20085485066099. The reversal of 20085485066071 is 17066058458002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20085485066071 - 2¹³ = 20085485057879 is a prime.

It is a super-2 number, since 2×20085485066071² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20085485066051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10042742533035 + 10042742533036.

It is an arithmetic number, because the mean of its divisors is an integer number (10042742533036).

Almost surely, 2^{20085485066071} is an apocalyptic number.

20085485066071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20085485066071 is an equidigital number, since it uses as much as digits as its factorization.

20085485066071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 20085485066071 in words is "twenty trillion, eighty-five billion, four hundred eighty-five million, sixty-six thousand, seventy-one".