208480220860 has 48 divisors (see below), whose sum is σ = 447498253440. Its totient is φ = 81549388800.

The previous prime is 208480220843. The next prime is 208480220887. The reversal of 208480220860 is 68022084802.

208480220860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1036606 + ... + 1221274.

It is an arithmetic number, because the mean of its divisors is an integer number (9322880280).

Almost surely, 2^208480220860 is an apocalyptic number.

208480220860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208480220860 is an abundant number, since it is smaller than the sum of its proper divisors (239018032580).

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

208480220860 is a wasteful number, since it uses less digits than its factorization.

208480220860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185926 (or 185924 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 208480220860 in words is "two hundred eight billion, four hundred eighty million, two hundred twenty thousand, eight hundred sixty".