8103200220 has 72 divisors (see below), whose sum is σ = 24638599440. Its totient is φ = 2155676160.

The previous prime is 8103200191. The next prime is 8103200227. The reversal of 8103200220 is 220023018.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 8103200193 and 8103200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103200227) 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 23 ways as a sum of consecutive naturals, for example, 21700 + ... + 129140.

It is an arithmetic number, because the mean of its divisors is an integer number (342202770).

Almost surely, 2^8103200220 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 8103200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12319299720).

8103200220 is an abundant number, since it is smaller than the sum of its proper divisors (16535399220).

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

8103200220 is a wasteful number, since it uses less digits than its factorization.

8103200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107875 (or 107870 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8103200220 is about 90017.7772442755. Note that the first 3 decimals coincide. The cubic root of 8103200220 is about 2008.5633009428.

Adding to 8103200220 its reverse (220023018), we get a palindrome (8323223238).

The spelling of 8103200220 in words is "eight billion, one hundred three million, two hundred thousand, two hundred twenty".