8234321220 has 96 divisors (see below), whose sum is σ = 25661664000. Its totient is φ = 2192067072.

The previous prime is 8234321197. The next prime is 8234321237. The reversal of 8234321220 is 221234328.

8234321220 is a `hidden beast` number, since 8 + 2 + 3 + 432 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 310732 + ... + 336188.

It is an arithmetic number, because the mean of its divisors is an integer number (267309000).

Almost surely, 2^8234321220 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 8234321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12830832000).

8234321220 is an abundant number, since it is smaller than the sum of its proper divisors (17427342780).

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

8234321220 is a wasteful number, since it uses less digits than its factorization.

8234321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074 (or 26066 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 8234321220 is about 90743.1607340190. The cubic root of 8234321220 is about 2019.3391639595.

Adding to 8234321220 its reverse (221234328), we get a palindrome (8455555548).

The spelling of 8234321220 in words is "eight billion, two hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty".