20134531005 has 16 divisors (see below), whose sum is σ = 32343603264. Its totient is φ = 10695632000.

The previous prime is 20134530979. The next prime is 20134531007. The reversal of 20134531005 is 50013543102.

It is not a de Polignac number, because 20134531005 - 2⁵ = 20134530973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134531007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670144 + ... + 2677673.

It is an arithmetic number, because the mean of its divisors is an integer number (2021475204).

Almost surely, 2^20134531005 is an apocalyptic number.

It is an amenable number.

20134531005 is a deficient number, since it is larger than the sum of its proper divisors (12209072259).

20134531005 is a wasteful number, since it uses less digits than its factorization.

20134531005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348076.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 20134531005 in words is "twenty billion, one hundred thirty-four million, five hundred thirty-one thousand, five".