20837158104672 has 144 divisors (see below), whose sum is σ = 72930053458080. Its totient is φ = 5495514218496.

The previous prime is 20837158104647. The next prime is 20837158104677. The reversal of 20837158104672 is 27640185173802.

20837158104672 is a `hidden beast` number, since 20 + 8 + 3 + 7 + 158 + 1 + 0 + 467 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20837158104677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397508097 + ... + 397560512.

It is an arithmetic number, because the mean of its divisors is an integer number (506458704570).

Almost surely, 2^{20837158104672} is an apocalyptic number.

It is an amenable number.

20837158104672 is an abundant number, since it is smaller than the sum of its proper divisors (52092895353408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20837158104672 is a wasteful number, since it uses less digits than its factorization.

20837158104672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795068645 (or 795068634 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 20837158104672 in words is "twenty trillion, eight hundred thirty-seven billion, one hundred fifty-eight million, one hundred four thousand, six hundred seventy-two".