8220808220 has 24 divisors (see below), whose sum is σ = 17265419808. Its totient is φ = 3287995200.

The previous prime is 8220808199. The next prime is 8220808243. The reversal of 8220808220 is 228080228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336830 + ... + 360410.

It is an arithmetic number, because the mean of its divisors is an integer number (719392492).

Almost surely, 2^8220808220 is an apocalyptic number.

It is an amenable number.

8220808220 is an abundant number, since it is smaller than the sum of its proper divisors (9044611588).

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

8220808220 is a wasteful number, since it uses less digits than its factorization.

8220808220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41021 (or 41019 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 8220808220 is about 90668.6727596693. The cubic root of 8220808220 is about 2018.2339414922.

Adding to 8220808220 its reverse (228080228), we get a palindrome (8448888448).

The spelling of 8220808220 in words is "eight billion, two hundred twenty million, eight hundred eight thousand, two hundred twenty".