20637672037012 has 12 divisors (see below), whose sum is σ = 36379545964020. Its totient is φ = 10243516047296.

The previous prime is 20637672037009. The next prime is 20637672037043. The reversal of 20637672037012 is 21073027673602.

It can be written as a sum of positive squares in 2 ways, for example, as 15151743090576 + 5485928946436 = 3892524^2 + 2342206^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18829992187 + ... + 18829993282.

It is an arithmetic number, because the mean of its divisors is an integer number (3031628830335).

Almost surely, 2^{20637672037012} is an apocalyptic number.

It is an amenable number.

20637672037012 is a deficient number, since it is larger than the sum of its proper divisors (15741873927008).

20637672037012 is a wasteful number, since it uses less digits than its factorization.

20637672037012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37659985610 (or 37659985608 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 20637672037012 in words is "twenty trillion, six hundred thirty-seven billion, six hundred seventy-two million, thirty-seven thousand, twelve".