20005150663156 has 12 divisors (see below), whose sum is σ = 35010294497668. Its totient is φ = 10002209378112.

The previous prime is 20005150663133. The next prime is 20005150663159. The reversal of 20005150663156 is 65136605150002.

It can be written as a sum of positive squares in 2 ways, for example, as 9536793948900 + 10468356714256 = 3088170^2 + 3235484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005150663159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91365351 + ... + 91584046.

Almost surely, 2^{20005150663156} is an apocalyptic number.

It is an amenable number.

20005150663156 is a deficient number, since it is larger than the sum of its proper divisors (15005143834512).

20005150663156 is a wasteful number, since it uses less digits than its factorization.

20005150663156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182976738 (or 182976736 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 20005150663156 in words is "twenty trillion, five billion, one hundred fifty million, six hundred sixty-three thousand, one hundred fifty-six".