8155086672020 has 48 divisors (see below), whose sum is σ = 17876076382080. Its totient is φ = 3119194463616.

The previous prime is 8155086672013. The next prime is 8155086672037. The reversal of 8155086672020 is 202766805518.

It is a self number, because there is not a number n which added to its sum of digits gives 8155086672020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457015 + ... + 4293374.

It is an arithmetic number, because the mean of its divisors is an integer number (372418257960).

Almost surely, 2^{8155086672020} is an apocalyptic number.

It is an amenable number.

8155086672020 is an abundant number, since it is smaller than the sum of its proper divisors (9720989710060).

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

8155086672020 is a wasteful number, since it uses less digits than its factorization.

8155086672020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753504 (or 5753502 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 8155086672020 in words is "eight trillion, one hundred fifty-five billion, eighty-six million, six hundred seventy-two thousand, twenty".