20343122134 has 8 divisors (see below), whose sum is σ = 30857545080. Its totient is φ = 10057273776.

The previous prime is 20343122123. The next prime is 20343122147. The reversal of 20343122134 is 43122134302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20343122099 and 20343122108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57143424 + ... + 57143779.

It is an arithmetic number, because the mean of its divisors is an integer number (3857193135).

Almost surely, 2^20343122134 is an apocalyptic number.

20343122134 is a deficient number, since it is larger than the sum of its proper divisors (10514422946).

20343122134 is a wasteful number, since it uses less digits than its factorization.

20343122134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114287294.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20343122134 its reverse (43122134302), we get a palindrome (63465256436).

The spelling of 20343122134 in words is "twenty billion, three hundred forty-three million, one hundred twenty-two thousand, one hundred thirty-four".