8321010220 has 12 divisors (see below), whose sum is σ = 17474121504. Its totient is φ = 3328404080.

The previous prime is 8321010211. The next prime is 8321010227. The reversal of 8321010220 is 220101238.

It is a super-2 number, since 2×8321010220² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8321010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208025236 + ... + 208025275.

It is an arithmetic number, because the mean of its divisors is an integer number (1456176792).

Almost surely, 2^8321010220 is an apocalyptic number.

It is an amenable number.

8321010220 is an abundant number, since it is smaller than the sum of its proper divisors (9153111284).

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

8321010220 is a wasteful number, since it uses less digits than its factorization.

8321010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416050520 (or 416050518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8321010220 is about 91219.5714745471. The cubic root of 8321010220 is about 2026.4008166524.

Adding to 8321010220 its reverse (220101238), we get a palindrome (8541111458).

The spelling of 8321010220 in words is "eight billion, three hundred twenty-one million, ten thousand, two hundred twenty".