20848144554169 has 8 divisors (see below), whose sum is σ = 20872685430720. Its totient is φ = 20823608744400.

The previous prime is 20848144554151. The next prime is 20848144554217. The reversal of 20848144554169 is 96145544184802.

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 20848144554169 - 2³⁵ = 20813784815801 is a prime.

It is a super-2 number, since 2×20848144554169² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20848144554109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6999204 + ... + 9522874.

It is an arithmetic number, because the mean of its divisors is an integer number (2609085678840).

Almost surely, 2^{20848144554169} is an apocalyptic number.

It is an amenable number.

20848144554169 is a deficient number, since it is larger than the sum of its proper divisors (24540876551).

20848144554169 is an equidigital number, since it uses as much as digits as its factorization.

20848144554169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533391.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 20848144554169 in words is "twenty trillion, eight hundred forty-eight billion, one hundred forty-four million, five hundred fifty-four thousand, one hundred sixty-nine".