20658342134 has 8 divisors (see below), whose sum is σ = 30996476928. Its totient is φ = 10326183160.

The previous prime is 20658342119. The next prime is 20658342139. The reversal of 20658342134 is 43124385602.

20658342134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20658342139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485302 + ... + 1499145.

It is an arithmetic number, because the mean of its divisors is an integer number (3874559616).

Almost surely, 2^20658342134 is an apocalyptic number.

20658342134 is a deficient number, since it is larger than the sum of its proper divisors (10338134794).

20658342134 is a wasteful number, since it uses less digits than its factorization.

20658342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987910.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 20658342134 in words is "twenty billion, six hundred fifty-eight million, three hundred forty-two thousand, one hundred thirty-four".