1220552242424 has 32 divisors (see below), whose sum is σ = 2309423293200. Its totient is φ = 604731294720.

The previous prime is 1220552242361. The next prime is 1220552242493. The reversal of 1220552242424 is 4242422550221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192217 + ... + 1965320.

Almost surely, 2^{1220552242424} is an apocalyptic number.

It is an amenable number.

1220552242424 is a deficient number, since it is larger than the sum of its proper divisors (1088871050776).

1220552242424 is a wasteful number, since it uses less digits than its factorization.

1220552242424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157983 (or 3157979 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 1220552242424 its reverse (4242422550221), we get a palindrome (5462974792645).

The spelling of 1220552242424 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, two hundred forty-two thousand, four hundred twenty-four".