20344705022134 has 4 divisors (see below), whose sum is σ = 30517057533204. Its totient is φ = 10172352511066.

The previous prime is 20344705022129. The next prime is 20344705022143. The reversal of 20344705022134 is 43122050744302.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20344705022093 and 20344705022102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086176255532 + ... + 5086176255535.

It is an arithmetic number, because the mean of its divisors is an integer number (7629264383301).

Almost surely, 2^{20344705022134} is an apocalyptic number.

20344705022134 is a deficient number, since it is larger than the sum of its proper divisors (10172352511070).

20344705022134 is a wasteful number, since it uses less digits than its factorization.

20344705022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172352511069.

The product of its (nonzero) digits is 161280, while the sum is 37.

Adding to 20344705022134 its reverse (43122050744302), we get a palindrome (63466755766436).

The spelling of 20344705022134 in words is "twenty trillion, three hundred forty-four billion, seven hundred five million, twenty-two thousand, one hundred thirty-four".