80486220 has 24 divisors (see below), whose sum is σ = 225361584. Its totient is φ = 21462976.

The previous prime is 80486213. The next prime is 80486243. The reversal of 80486220 is 2268408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 670659 + ... + 670778.

It is an arithmetic number, because the mean of its divisors is an integer number (9390066).

Almost surely, 2^80486220 is an apocalyptic number.

It is an amenable number.

80486220 is an abundant number, since it is smaller than the sum of its proper divisors (144875364).

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

80486220 is a wasteful number, since it uses less digits than its factorization.

80486220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341449 (or 1341447 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80486220 is about 8971.4112602199. The cubic root of 80486220 is about 431.7581164771.

The spelling of 80486220 in words is "eighty million, four hundred eighty-six thousand, two hundred twenty".