8220029312 has 96 divisors (see below), whose sum is σ = 18978162840. Its totient is φ = 3516416000.

The previous prime is 8220029291. The next prime is 8220029369. The reversal of 8220029312 is 2139200228.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 396812 + ... + 417012.

Almost surely, 2^8220029312 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 8220029312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9489081420).

8220029312 is an abundant number, since it is smaller than the sum of its proper divisors (10758133528).

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

8220029312 is a wasteful number, since it uses less digits than its factorization.

8220029312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260 (or 20231 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8220029312 is about 90664.3773044298. The cubic root of 8220029312 is about 2018.1701980349.

The spelling of 8220029312 in words is "eight billion, two hundred twenty million, twenty-nine thousand, three hundred twelve".