220606776312 has 32 divisors (see below), whose sum is σ = 593941321680. Its totient is φ = 67879008000.

The previous prime is 220606776307. The next prime is 220606776319. The reversal of 220606776312 is 213677606022.

220606776312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220606776319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 353536189 + ... + 353536812.

Almost surely, 2^220606776312 is an apocalyptic number.

It is an amenable number.

220606776312 is an abundant number, since it is smaller than the sum of its proper divisors (373334545368).

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

220606776312 is a wasteful number, since it uses less digits than its factorization.

220606776312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707073023 (or 707073019 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 220606776312 in words is "two hundred twenty billion, six hundred six million, seven hundred seventy-six thousand, three hundred twelve".