208209008802 has 32 divisors (see below), whose sum is σ = 419518814400. Its totient is φ = 68886884160.

The previous prime is 208209008773. The next prime is 208209008803. The reversal of 208209008802 is 208800902802.

It is a super-2 number, since 2×208209008802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208209008803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150293 + ... + 1318935.

It is an arithmetic number, because the mean of its divisors is an integer number (13109962950).

Almost surely, 2^208209008802 is an apocalyptic number.

208209008802 is an abundant number, since it is smaller than the sum of its proper divisors (211309805598).

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

208209008802 is a wasteful number, since it uses less digits than its factorization.

208209008802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170178.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 208209008802 in words is "two hundred eight billion, two hundred nine million, eight thousand, eight hundred two".