1220532848856 has 40 divisors (see below), whose sum is σ = 3418622101620. Its totient is φ = 406844282736.

The previous prime is 1220532848839. The next prime is 1220532848933. The reversal of 1220532848856 is 6588482350221.

1220532848856 is a `hidden beast` number, since 1 + 2 + 20 + 532 + 8 + 4 + 8 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 941768526 + ... + 941769821.

Almost surely, 2^{1220532848856} is an apocalyptic number.

It is an amenable number.

1220532848856 is an abundant number, since it is smaller than the sum of its proper divisors (2198089252764).

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

1220532848856 is a wasteful number, since it uses less digits than its factorization.

1220532848856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883538365 (or 1883538352 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 1220532848856 in words is "one trillion, two hundred twenty billion, five hundred thirty-two million, eight hundred forty-eight thousand, eight hundred fifty-six".