808827205220 has 24 divisors (see below), whose sum is σ = 1699960933944. Its totient is φ = 323259681536.

The previous prime is 808827205183. The next prime is 808827205243. The reversal of 808827205220 is 22502728808.

It can be written as a sum of positive squares in 4 ways, for example, as 159974401024 + 648852804196 = 399968^2 + 805514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16925579 + ... + 16973298.

It is an arithmetic number, because the mean of its divisors is an integer number (70831705581).

Almost surely, 2^808827205220 is an apocalyptic number.

It is an amenable number.

808827205220 is an abundant number, since it is smaller than the sum of its proper divisors (891133728724).

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

808827205220 is a wasteful number, since it uses less digits than its factorization.

808827205220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33900079 (or 33900077 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 808827205220 in words is "eight hundred eight billion, eight hundred twenty-seven million, two hundred five thousand, two hundred twenty".