1220118368 has 48 divisors (see below), whose sum is σ = 2748340224. Its totient is φ = 522322560.

The previous prime is 1220118359. The next prime is 1220118371. The reversal of 1220118368 is 8638110221.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240983 + ... + 245993.

It is an arithmetic number, because the mean of its divisors is an integer number (57257088).

Almost surely, 2^1220118368 is an apocalyptic number.

It is an amenable number.

1220118368 is an abundant number, since it is smaller than the sum of its proper divisors (1528221856).

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

1220118368 is a wasteful number, since it uses less digits than its factorization.

1220118368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1220118368 is about 34930.1927850391. The cubic root of 1220118368 is about 1068.5642863338.

Adding to 1220118368 its reverse (8638110221), we get a palindrome (9858228589).

The spelling of 1220118368 in words is "one billion, two hundred twenty million, one hundred eighteen thousand, three hundred sixty-eight".