80007220 has 12 divisors (see below), whose sum is σ = 168015204. Its totient is φ = 32002880.

The previous prime is 80007139. The next prime is 80007223. The reversal of 80007220 is 2270008.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 16613776 = 7962^2 + 4076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80007223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000161 + ... + 2000200.

It is an arithmetic number, because the mean of its divisors is an integer number (14001267).

Almost surely, 2^80007220 is an apocalyptic number.

It is an amenable number.

80007220 is an abundant number, since it is smaller than the sum of its proper divisors (88007984).

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

80007220 is a wasteful number, since it uses less digits than its factorization.

80007220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000370 (or 4000368 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 80007220 is about 8944.6755111631. The cubic root of 80007220 is about 430.8999001318.

Adding to 80007220 its reverse (2270008), we get a palindrome (82277228).

It can be divided in two parts, 8000 and 7220, that multiplied together give a square (57760000 = 7600²).

The spelling of 80007220 in words is "eighty million, seven thousand, two hundred twenty".