208221585122802 has 64 divisors (see below), whose sum is σ = 430092900679680. Its totient is φ = 67134498796800.

The previous prime is 208221585122797. The next prime is 208221585122827.

208221585122802 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×208221585122802² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3644095149 + ... + 3644152287.

It is an arithmetic number, because the mean of its divisors is an integer number (6720201573120).

Almost surely, 2^{208221585122802} is an apocalyptic number.

208221585122802 is an abundant number, since it is smaller than the sum of its proper divisors (221871315556878).

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

208221585122802 is a wasteful number, since it uses less digits than its factorization.

208221585122802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66679.

The product of its (nonzero) digits is 819200, while the sum is 48.

The spelling of 208221585122802 in words is "two hundred eight trillion, two hundred twenty-one billion, five hundred eighty-five million, one hundred twenty-two thousand, eight hundred two".