80319011220 has 144 divisors (see below), whose sum is σ = 293094023040. Its totient is φ = 17392382208.

The previous prime is 80319011203. The next prime is 80319011287. The reversal of 80319011220 is 2211091308.

It is a super-2 number, since 2×80319011220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1653567 + ... + 1701446.

It is an arithmetic number, because the mean of its divisors is an integer number (2035375160).

Almost surely, 2^80319011220 is an apocalyptic number.

It is an amenable number.

80319011220 is an abundant number, since it is smaller than the sum of its proper divisors (212775011820).

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

80319011220 is a wasteful number, since it uses less digits than its factorization.

80319011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355054 (or 3355049 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 80319011220 in words is "eighty billion, three hundred nineteen million, eleven thousand, two hundred twenty".