8102549020 has 48 divisors (see below), whose sum is σ = 18132968448. Its totient is φ = 3034137920.

The previous prime is 8102549017. The next prime is 8102549033. The reversal of 8102549020 is 209452018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165766 + ... + 209005.

It is an arithmetic number, because the mean of its divisors is an integer number (377770176).

Almost surely, 2^8102549020 is an apocalyptic number.

It is an amenable number.

8102549020 is an abundant number, since it is smaller than the sum of its proper divisors (10030419428).

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

8102549020 is a wasteful number, since it uses less digits than its factorization.

8102549020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374850 (or 374848 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8102549020 is about 90014.1601082852. The cubic root of 8102549020 is about 2008.5094945690.

The spelling of 8102549020 in words is "eight billion, one hundred two million, five hundred forty-nine thousand, twenty".