8069220 has 120 divisors (see below), whose sum is σ = 26893944. Its totient is φ = 2018304.

The previous prime is 8069213. The next prime is 8069231. The reversal of 8069220 is 229608.

It can be written as a sum of positive squares in 4 ways, for example, as 3709476 + 4359744 = 1926^2 + 2088^2 .

It is a super-2 number, since 2×8069220² = 130224622816800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27394 + ... + 27686.

Almost surely, 2^8069220 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 8069220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13446972).

8069220 is an abundant number, since it is smaller than the sum of its proper divisors (18824724).

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

8069220 is a wasteful number, since it uses less digits than its factorization.

8069220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8069220 is about 2840.6372524488. The cubic root of 8069220 is about 200.5751776013.

The spelling of 8069220 in words is "eight million, sixty-nine thousand, two hundred twenty".