215708020076 has 12 divisors (see below), whose sum is σ = 378304349472. Its totient is φ = 107621063088.

The previous prime is 215708019971. The next prime is 215708020123. The reversal of 215708020076 is 670020807512.

215708020076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 58234655 + ... + 58238358.

It is an arithmetic number, because the mean of its divisors is an integer number (31525362456).

Almost surely, 2^215708020076 is an apocalyptic number.

It is an amenable number.

215708020076 is a deficient number, since it is larger than the sum of its proper divisors (162596329396).

215708020076 is a wasteful number, since it uses less digits than its factorization.

215708020076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116473480 (or 116473478 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

Adding to 215708020076 its reverse (670020807512), we get a palindrome (885728827588).

The spelling of 215708020076 in words is "two hundred fifteen billion, seven hundred eight million, twenty thousand, seventy-six".