20444143314135 has 8 divisors (see below), whose sum is σ = 32710629302640. Its totient is φ = 10903543100864.

The previous prime is 20444143314083. The next prime is 20444143314139. The reversal of 20444143314135 is 53141334144402.

It is a happy number.

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 20444143314135 - 2⁹ = 20444143313623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20444143314093 and 20444143314102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444143314139) 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, 681471443790 + ... + 681471443819.

It is an arithmetic number, because the mean of its divisors is an integer number (4088828662830).

Almost surely, 2^{20444143314135} is an apocalyptic number.

20444143314135 is a deficient number, since it is larger than the sum of its proper divisors (12266485988505).

20444143314135 is a wasteful number, since it uses less digits than its factorization.

20444143314135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362942887617.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 20444143314135 its reverse (53141334144402), we get a palindrome (73585477458537).

The spelling of 20444143314135 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-three million, three hundred fourteen thousand, one hundred thirty-five".