20334665434 has 8 divisors (see below), whose sum is σ = 30696278868. Its totient is φ = 10102572480.

The previous prime is 20334665389. The next prime is 20334665437. The reversal of 20334665434 is 43456643302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19126060209 + 1208605225 = 138297^2 + 34765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20334665437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32379727 + ... + 32380354.

Almost surely, 2^20334665434 is an apocalyptic number.

20334665434 is a deficient number, since it is larger than the sum of its proper divisors (10361613434).

20334665434 is a wasteful number, since it uses less digits than its factorization.

20334665434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64760240.

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 20334665434 in words is "twenty billion, three hundred thirty-four million, six hundred sixty-five thousand, four hundred thirty-four".