128020562336 has 24 divisors (see below), whose sum is σ = 252192693060. Its totient is φ = 63971624448.

The previous prime is 128020562311. The next prime is 128020562357. The reversal of 128020562336 is 633265020821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125993761936 + 2026800400 = 354956^2 + 45020^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 128020562336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154171 + ... + 1260218.

Almost surely, 2^128020562336 is an apocalyptic number.

128020562336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128020562336 is a deficient number, since it is larger than the sum of its proper divisors (124172130724).

128020562336 is a wasteful number, since it uses less digits than its factorization.

128020562336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416056 (or 2416048 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 128020562336 in words is "one hundred twenty-eight billion, twenty million, five hundred sixty-two thousand, three hundred thirty-six".