80434663220 has 12 divisors (see below), whose sum is σ = 168912792804. Its totient is φ = 32173865280.

The previous prime is 80434663097. The next prime is 80434663237. The reversal of 80434663220 is 2236643408.

It can be written as a sum of positive squares in 2 ways, for example, as 35756540836 + 44678122384 = 189094^2 + 211372^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010866561 + ... + 2010866600.

It is an arithmetic number, because the mean of its divisors is an integer number (14076066067).

Almost surely, 2^80434663220 is an apocalyptic number.

It is an amenable number.

80434663220 is an abundant number, since it is smaller than the sum of its proper divisors (88478129584).

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

80434663220 is a wasteful number, since it uses less digits than its factorization.

80434663220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021733170 (or 4021733168 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 80434663220 in words is "eighty billion, four hundred thirty-four million, six hundred sixty-three thousand, two hundred twenty".