20206081071 has 48 divisors (see below), whose sum is σ = 33165595008. Its totient is φ = 12191796000.

The previous prime is 20206081043. The next prime is 20206081079. The reversal of 20206081071 is 17018060202.

20206081071 is a `hidden beast` number, since 20 + 20 + 608 + 10 + 7 + 1 = 666.

It is not a de Polignac number, because 20206081071 - 2⁵ = 20206081039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206081079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 590121 + ... + 623421.

It is an arithmetic number, because the mean of its divisors is an integer number (690949896).

Almost surely, 2^20206081071 is an apocalyptic number.

20206081071 is a deficient number, since it is larger than the sum of its proper divisors (12959513937).

20206081071 is a wasteful number, since it uses less digits than its factorization.

20206081071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554 (or 33542 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 20206081071 in words is "twenty billion, two hundred six million, eighty-one thousand, seventy-one".