8260220 has 24 divisors (see below), whose sum is σ = 18101664. Its totient is φ = 3160256.

The previous prime is 8260201. The next prime is 8260223. The reversal of 8260220 is 220628.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8260192 and 8260201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8260223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8519 + ... + 9438.

It is an arithmetic number, because the mean of its divisors is an integer number (754236).

Almost surely, 2^8260220 is an apocalyptic number.

It is an amenable number.

8260220 is an abundant number, since it is smaller than the sum of its proper divisors (9841444).

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

8260220 is a wasteful number, since it uses less digits than its factorization.

8260220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989 (or 17987 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8260220 is about 2874.0598462802. The cubic root of 8260220 is about 202.1454039203.

Adding to 8260220 its reverse (220628), we get a palindrome (8480848).

The spelling of 8260220 in words is "eight million, two hundred sixty thousand, two hundred twenty".