8221020010 has 64 divisors (see below), whose sum is σ = 17406432000. Its totient is φ = 2736529920.

The previous prime is 8221019981. The next prime is 8221020011. The reversal of 8221020010 is 100201228.

It is not an unprimeable number, because it can be changed into a prime (8221020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1289230 + ... + 1295590.

It is an arithmetic number, because the mean of its divisors is an integer number (271975500).

Almost surely, 2^8221020010 is an apocalyptic number.

8221020010 is an abundant number, since it is smaller than the sum of its proper divisors (9185411990).

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

8221020010 is a wasteful number, since it uses less digits than its factorization.

8221020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 8221020010 is about 90669.8406858642. The cubic root of 8221020010 is about 2018.2512730442.

Adding to 8221020010 its reverse (100201228), we get a palindrome (8321221238).

The spelling of 8221020010 in words is "eight billion, two hundred twenty-one million, twenty thousand, ten".