20204144323134 has 8 divisors (see below), whose sum is σ = 40408288646280. Its totient is φ = 6734714774376.

The previous prime is 20204144323087. The next prime is 20204144323183. The reversal of 20204144323134 is 43132344140202.

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

20204144323134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20204144323095 and 20204144323104.

It is a congruent number.

It is an unprimeable number.

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, 1683678693589 + ... + 1683678693600.

It is an arithmetic number, because the mean of its divisors is an integer number (5051036080785).

Almost surely, 2^{20204144323134} is an apocalyptic number.

20204144323134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204144323134 is a wasteful number, since it uses less digits than its factorization.

20204144323134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367357387194.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 20204144323134 its reverse (43132344140202), we get a palindrome (63336488463336).

The spelling of 20204144323134 in words is "twenty trillion, two hundred four billion, one hundred forty-four million, three hundred twenty-three thousand, one hundred thirty-four".