1200302220 has 72 divisors (see below), whose sum is σ = 3639290256. Its totient is φ = 295456512.

The previous prime is 1200302179. The next prime is 1200302227. The reversal of 1200302220 is 222030021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1200302196 and 1200302205.

It is not an unprimeable number, because it can be changed into a prime (1200302227) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 49047 + ... + 69326.

It is an arithmetic number, because the mean of its divisors is an integer number (50545698).

Almost surely, 2^1200302220 is an apocalyptic number.

1200302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200302220 is an abundant number, since it is smaller than the sum of its proper divisors (2438988036).

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

1200302220 is a wasteful number, since it uses less digits than its factorization.

1200302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118411 (or 118396 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1200302220 is about 34645.3780467179. The cubic root of 1200302220 is about 1062.7477718813.

Adding to 1200302220 its reverse (222030021), we get a palindrome (1422332241).

The spelling of 1200302220 in words is "one billion, two hundred million, three hundred two thousand, two hundred twenty".