20342134111 has 8 divisors (see below), whose sum is σ = 21936408480. Its totient is φ = 18752073312.

The previous prime is 20342134069. The next prime is 20342134157. The reversal of 20342134111 is 11143124302.

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

It is a cyclic number.

It is not a de Polignac number, because 20342134111 - 2¹⁵ = 20342101343 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 (20342134511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043356 + ... + 1062673.

It is an arithmetic number, because the mean of its divisors is an integer number (2742051060).

Almost surely, 2^20342134111 is an apocalyptic number.

20342134111 is a deficient number, since it is larger than the sum of its proper divisors (1594274369).

20342134111 is a wasteful number, since it uses less digits than its factorization.

20342134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106785.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20342134111 its reverse (11143124302), we get a palindrome (31485258413).

The spelling of 20342134111 in words is "twenty billion, three hundred forty-two million, one hundred thirty-four thousand, one hundred eleven".