208020902 has 16 divisors (see below), whose sum is σ = 318574080. Its totient is φ = 101843592.

The previous prime is 208020893. The next prime is 208020929. The reversal of 208020902 is 209020802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27683 + ... + 34385.

It is an arithmetic number, because the mean of its divisors is an integer number (19910880).

Almost surely, 2^208020902 is an apocalyptic number.

208020902 is a deficient number, since it is larger than the sum of its proper divisors (110553178).

208020902 is a wasteful number, since it uses less digits than its factorization.

208020902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 208020902 is about 14422.9297301207. The cubic root of 208020902 is about 592.5190598413.

The spelling of 208020902 in words is "two hundred eight million, twenty thousand, nine hundred two".