208806598420 has 48 divisors (see below), whose sum is σ = 510591247488. Its totient is φ = 70240060800.

The previous prime is 208806598337. The next prime is 208806598439. The reversal of 208806598420 is 24895608802.

It is a super-2 number, since 2×208806598420² (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 15 ways as a sum of consecutive naturals, for example, 14063106 + ... + 14077945.

It is an arithmetic number, because the mean of its divisors is an integer number (10637317656).

Almost surely, 2^208806598420 is an apocalyptic number.

208806598420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208806598420 is an abundant number, since it is smaller than the sum of its proper divisors (301784649068).

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

208806598420 is a wasteful number, since it uses less digits than its factorization.

208806598420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28141120 (or 28141118 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 208806598420 in words is "two hundred eight billion, eight hundred six million, five hundred ninety-eight thousand, four hundred twenty".