8200020220 has 48 divisors (see below), whose sum is σ = 19689707520. Its totient is φ = 2810055744.

The previous prime is 8200020161. The next prime is 8200020229. The reversal of 8200020220 is 220200028.

It is a junction number, because it is equal to n+sod(n) for n = 8200020194 and 8200020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200020229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295711 + ... + 322249.

It is an arithmetic number, because the mean of its divisors is an integer number (410202240).

Almost surely, 2^8200020220 is an apocalyptic number.

It is an amenable number.

8200020220 is an abundant number, since it is smaller than the sum of its proper divisors (11489687300).

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

8200020220 is a wasteful number, since it uses less digits than its factorization.

8200020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28762 (or 28760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 8200020220 is about 90553.9630275782. The cubic root of 8200020220 is about 2016.5313327058.

Adding to 8200020220 its reverse (220200028), we get a palindrome (8420220248).

The spelling of 8200020220 in words is "eight billion, two hundred million, twenty thousand, two hundred twenty".