8290020 has 48 divisors (see below), whose sum is σ = 23966208. Its totient is φ = 2138880.

The previous prime is 8289997. The next prime is 8290043. The reversal of 8290020 is 200928.

It is an interprime number because it is at equal distance from previous prime (8289997) and next prime (8290043).

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, 369 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (499296).

Almost surely, 2^8290020 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 8290020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11983104).

8290020 is an abundant number, since it is smaller than the sum of its proper divisors (15676188).

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

8290020 is a wasteful number, since it uses less digits than its factorization.

8290020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 8290020 is about 2879.2394829191. The cubic root of 8290020 is about 202.3882022734.

Adding to 8290020 its reverse (200928), we get a palindrome (8490948).

The spelling of 8290020 in words is "eight million, two hundred ninety thousand, twenty".