8138150500020 has 96 divisors (see below), whose sum is σ = 22889171894400. Its totient is φ = 2160427451904.

The previous prime is 8138150499943. The next prime is 8138150500033. The reversal of 8138150500020 is 200050518318.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242269386 + ... + 242302974.

It is an arithmetic number, because the mean of its divisors is an integer number (238428873900).

Almost surely, 2^{8138150500020} is an apocalyptic number.

It is an amenable number.

8138150500020 is an abundant number, since it is smaller than the sum of its proper divisors (14751021394380).

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

8138150500020 is a wasteful number, since it uses less digits than its factorization.

8138150500020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51617 (or 51615 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The spelling of 8138150500020 in words is "eight trillion, one hundred thirty-eight billion, one hundred fifty million, five hundred thousand, twenty".