208106902330 has 16 divisors (see below), whose sum is σ = 396627273000. Its totient is φ = 78346127872.

The previous prime is 208106902319. The next prime is 208106902337. The reversal of 208106902330 is 33209601802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189102349881 + 19004552449 = 434859^2 + 137857^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (208106902337) 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 7 ways as a sum of consecutive naturals, for example, 612078955 + ... + 612079294.

Almost surely, 2^208106902330 is an apocalyptic number.

208106902330 is a deficient number, since it is larger than the sum of its proper divisors (188520370670).

208106902330 is a wasteful number, since it uses less digits than its factorization.

208106902330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224158273.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 208106902330 in words is "two hundred eight billion, one hundred six million, nine hundred two thousand, three hundred thirty".