8250020 has 24 divisors (see below), whose sum is σ = 17749368. Its totient is φ = 3219200.

The previous prime is 8250019. The next prime is 8250037. The reversal of 8250020 is 200528.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 8202496 = 218^2 + 2864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4211 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (739557).

Almost surely, 2^8250020 is an apocalyptic number.

It is an amenable number.

8250020 is an abundant number, since it is smaller than the sum of its proper divisors (9499348).

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

8250020 is a wasteful number, since it uses less digits than its factorization.

8250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 8250020 is about 2872.2848048200. The cubic root of 8250020 is about 202.0621643134.

Adding to 8250020 its reverse (200528), we get a palindrome (8450548).

The spelling of 8250020 in words is "eight million, two hundred fifty thousand, twenty".