80881420220 has 24 divisors (see below), whose sum is σ = 169898223264. Its totient is φ = 32343569856.

The previous prime is 80881420163. The next prime is 80881420229. The reversal of 80881420220 is 2202418808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80881420229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 488447 + ... + 632726.

It is an arithmetic number, because the mean of its divisors is an integer number (7079092636).

Almost surely, 2^80881420220 is an apocalyptic number.

It is an amenable number.

80881420220 is an abundant number, since it is smaller than the sum of its proper divisors (89016803044).

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

80881420220 is a wasteful number, since it uses less digits than its factorization.

80881420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124789 (or 1124787 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The spelling of 80881420220 in words is "eighty billion, eight hundred eighty-one million, four hundred twenty thousand, two hundred twenty".