1220042024244 has 18 divisors (see below), whose sum is σ = 3083995116930. Its totient is φ = 406680674736.

The previous prime is 1220042024213. The next prime is 1220042024297. The reversal of 1220042024244 is 4424202400221.

1220042024244 is a `hidden beast` number, since 12 + 20 + 0 + 4 + 202 + 424 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 752990062500 + 467051961744 = 867750^2 + 683412^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16945028079 + ... + 16945028150.

Almost surely, 2^{1220042024244} is an apocalyptic number.

It is an amenable number.

1220042024244 is an abundant number, since it is smaller than the sum of its proper divisors (1863953092686).

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

1220042024244 is a wasteful number, since it uses less digits than its factorization.

1220042024244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33890056239 (or 33890056234 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 1220042024244 its reverse (4424202400221), we get a palindrome (5644244424465).

The spelling of 1220042024244 in words is "one trillion, two hundred twenty billion, forty-two million, twenty-four thousand, two hundred forty-four".