201806702328 has 128 divisors (see below), whose sum is σ = 642391326720. Its totient is φ = 51302040960.

The previous prime is 201806702309. The next prime is 201806702371. The reversal of 201806702328 is 823207608102.

It is a congruent number.

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, 1074876 + ... + 1248587.

It is an arithmetic number, because the mean of its divisors is an integer number (5018682240).

Almost surely, 2^201806702328 is an apocalyptic number.

201806702328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201806702328 is an abundant number, since it is smaller than the sum of its proper divisors (440584624392).

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

201806702328 is a wasteful number, since it uses less digits than its factorization.

201806702328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323537 (or 2323533 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 201806702328 in words is "two hundred one billion, eight hundred six million, seven hundred two thousand, three hundred twenty-eight".