20005167448102 has 4 divisors (see below), whose sum is σ = 30007751172156. Its totient is φ = 10002583724050.

The previous prime is 20005167448099. The next prime is 20005167448109. The reversal of 20005167448102 is 20184476150002.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005167448109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001291862024 + ... + 5001291862027.

It is an arithmetic number, because the mean of its divisors is an integer number (7501937793039).

Almost surely, 2^{20005167448102} is an apocalyptic number.

20005167448102 is a deficient number, since it is larger than the sum of its proper divisors (10002583724054).

20005167448102 is a wasteful number, since it uses less digits than its factorization.

20005167448102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002583724053.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 20005167448102 in words is "twenty trillion, five billion, one hundred sixty-seven million, four hundred forty-eight thousand, one hundred two".