80503915220 has 48 divisors (see below), whose sum is σ = 172730009088. Its totient is φ = 31502772480.

The previous prime is 80503915213. The next prime is 80503915223. The reversal of 80503915220 is 2251930508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80503915223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307305 + ... + 2341935.

It is an arithmetic number, because the mean of its divisors is an integer number (3598541856).

Almost surely, 2^80503915220 is an apocalyptic number.

It is an amenable number.

80503915220 is an abundant number, since it is smaller than the sum of its proper divisors (92226093868).

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

80503915220 is a wasteful number, since it uses less digits than its factorization.

80503915220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37160 (or 37158 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 80503915220 in words is "eighty billion, five hundred three million, nine hundred fifteen thousand, two hundred twenty".