20860485071 has 2 divisors, whose sum is σ = 20860485072. Its totient is φ = 20860485070.

The previous prime is 20860485047. The next prime is 20860485101. The reversal of 20860485071 is 17058406802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20860485071 - 2²⁶ = 20793376207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20860485011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10430242535 + 10430242536.

It is an arithmetic number, because the mean of its divisors is an integer number (10430242536).

Almost surely, 2^20860485071 is an apocalyptic number.

20860485071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20860485071 is an equidigital number, since it uses as much as digits as its factorization.

20860485071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 20860485071 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, seventy-one".