20034247071 has 16 divisors (see below), whose sum is σ = 27116591744. Its totient is φ = 13154115744.

The previous prime is 20034247049. The next prime is 20034247127. The reversal of 20034247071 is 17074243002.

It is not a de Polignac number, because 20034247071 - 2⁷ = 20034246943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034227071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594305 + ... + 1606821.

It is an arithmetic number, because the mean of its divisors is an integer number (1694786984).

Almost surely, 2^20034247071 is an apocalyptic number.

20034247071 is a deficient number, since it is larger than the sum of its proper divisors (7082344673).

20034247071 is a wasteful number, since it uses less digits than its factorization.

20034247071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550.

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 20034247071 in words is "twenty billion, thirty-four million, two hundred forty-seven thousand, seventy-one".