20344633055167 has 8 divisors (see below), whose sum is σ = 20448047510352. Its totient is φ = 20241220036800.

The previous prime is 20344633055081. The next prime is 20344633055191. The reversal of 20344633055167 is 76155033644302.

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 20344633055167 - 2¹¹ = 20344633053119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20344633055167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344633055267) 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, 38911992 + ... + 39431362.

It is an arithmetic number, because the mean of its divisors is an integer number (2556005938794).

Almost surely, 2^{20344633055167} is an apocalyptic number.

20344633055167 is a deficient number, since it is larger than the sum of its proper divisors (103414455185).

20344633055167 is a wasteful number, since it uses less digits than its factorization.

20344633055167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718409.

The product of its (nonzero) digits is 5443200, while the sum is 49.

Adding to 20344633055167 its reverse (76155033644302), we get a palindrome (96499666699469).

The spelling of 20344633055167 in words is "twenty trillion, three hundred forty-four billion, six hundred thirty-three million, fifty-five thousand, one hundred sixty-seven".