8160020 has 48 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 2862720.

The previous prime is 8160011. The next prime is 8160041. The reversal of 8160020 is 200618.

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, 5741 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^8160020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8160020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9676800).

8160020 is an abundant number, since it is smaller than the sum of its proper divisors (11193580).

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

8160020 is a wasteful number, since it uses less digits than its factorization.

8160020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 8160020 is about 2856.5748721152. The cubic root of 8160020 is about 201.3247063927.

Adding to 8160020 its reverse (200618), we get a palindrome (8360638).

The spelling of 8160020 in words is "eight million, one hundred sixty thousand, twenty".