8123262220 has 24 divisors (see below), whose sum is σ = 17063651808. Its totient is φ = 3248390400.

The previous prime is 8123262157. The next prime is 8123262221. The reversal of 8123262220 is 222623218.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8123262221) 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, 18100 + ... + 128740.

It is an arithmetic number, because the mean of its divisors is an integer number (710985492).

Almost surely, 2^8123262220 is an apocalyptic number.

It is an amenable number.

8123262220 is an abundant number, since it is smaller than the sum of its proper divisors (8940389588).

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

8123262220 is a wasteful number, since it uses less digits than its factorization.

8123262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114321 (or 114319 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8123262220 is about 90129.1419020507. The cubic root of 8123262220 is about 2010.2195431918.

Adding to 8123262220 its reverse (222623218), we get a palindrome (8345885438).

The spelling of 8123262220 in words is "eight billion, one hundred twenty-three million, two hundred sixty-two thousand, two hundred twenty".