8081104020 has 96 divisors (see below), whose sum is σ = 26136141696. Its totient is φ = 1843814400.

The previous prime is 8081104013. The next prime is 8081104043. The reversal of 8081104020 is 204011808.

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, 348901 + ... + 371340.

It is an arithmetic number, because the mean of its divisors is an integer number (272251476).

Almost surely, 2^8081104020 is an apocalyptic number.

It is an amenable number.

8081104020 is an abundant number, since it is smaller than the sum of its proper divisors (18055037676).

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

8081104020 is a wasteful number, since it uses less digits than its factorization.

8081104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720281 (or 720279 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 8081104020 is about 89894.9610378691. The cubic root of 8081104020 is about 2006.7359563104.

Adding to 8081104020 its reverse (204011808), we get a palindrome (8285115828).

It can be divided in two parts, 8081 and 104020, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 8081104020 in words is "eight billion, eighty-one million, one hundred four thousand, twenty".