8122020 has 24 divisors (see below), whose sum is σ = 22741824. Its totient is φ = 2165856.

The previous prime is 8122007. The next prime is 8122021. The reversal of 8122020 is 202218.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (8122021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67624 + ... + 67743.

It is an arithmetic number, because the mean of its divisors is an integer number (947576).

Almost surely, 2^8122020 is an apocalyptic number.

It is an amenable number.

8122020 is an abundant number, since it is smaller than the sum of its proper divisors (14619804).

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

8122020 is a wasteful number, since it uses less digits than its factorization.

8122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135379 (or 135377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8122020 is about 2849.9157882295. The cubic root of 8122020 is about 201.0117069491.

Adding to 8122020 its reverse (202218), we get a palindrome (8324238).

The spelling of 8122020 in words is "eight million, one hundred twenty-two thousand, twenty".