1220842708344 has 96 divisors (see below), whose sum is σ = 3779221511520. Its totient is φ = 348773188608.

The previous prime is 1220842708291. The next prime is 1220842708357. The reversal of 1220842708344 is 4438072480221.

1220842708344 is a `hidden beast` number, since 1 + 220 + 84 + 2 + 7 + 0 + 8 + 344 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1220842708344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4534692 + ... + 4796364.

It is an arithmetic number, because the mean of its divisors is an integer number (39366890745).

Almost surely, 2^{1220842708344} is an apocalyptic number.

1220842708344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220842708344 is an abundant number, since it is smaller than the sum of its proper divisors (2558378803176).

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

1220842708344 is a wasteful number, since it uses less digits than its factorization.

1220842708344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270949 (or 270942 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 1220842708344 in words is "one trillion, two hundred twenty billion, eight hundred forty-two million, seven hundred eight thousand, three hundred forty-four".