1220202000044 has 48 divisors (see below), whose sum is σ = 2236586839200. Its totient is φ = 581740594176.

The previous prime is 1220201999999. The next prime is 1220202000047. The reversal of 1220202000044 is 4400002020221.

It is a happy number.

It is a super-2 number, since 2×1220202000044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220201999986 and 1220202000031.

It is not an unprimeable number, because it can be changed into a prime (1220202000047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462887 + ... + 3798945.

It is an arithmetic number, because the mean of its divisors is an integer number (46595559150).

Almost surely, 2^{1220202000044} is an apocalyptic number.

It is an amenable number.

1220202000044 is a deficient number, since it is larger than the sum of its proper divisors (1016384839156).

1220202000044 is a wasteful number, since it uses less digits than its factorization.

1220202000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336482 (or 336480 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1220202000044 its reverse (4400002020221), we get a palindrome (5620204020265).

The spelling of 1220202000044 in words is "one trillion, two hundred twenty billion, two hundred two million, forty-four", and thus it is an aban number.