8105765020 has 12 divisors (see below), whose sum is σ = 17022106584. Its totient is φ = 3242306000.

The previous prime is 8105764993. The next prime is 8105765027. The reversal of 8105765020 is 205675018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105765027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202644106 + ... + 202644145.

It is an arithmetic number, because the mean of its divisors is an integer number (1418508882).

Almost surely, 2^8105765020 is an apocalyptic number.

It is an amenable number.

8105765020 is an abundant number, since it is smaller than the sum of its proper divisors (8916341564).

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

8105765020 is a wasteful number, since it uses less digits than its factorization.

8105765020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405288260 (or 405288258 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 8105765020 is about 90032.0221921067. The cubic root of 8105765020 is about 2008.7751933471.

The spelling of 8105765020 in words is "eight billion, one hundred five million, seven hundred sixty-five thousand, twenty".