1120200220 has 12 divisors (see below), whose sum is σ = 2352420504. Its totient is φ = 448080080.

The previous prime is 1120200217. The next prime is 1120200229. The reversal of 1120200220 is 220020211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1120200197 and 1120200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120200229) 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 3 ways as a sum of consecutive naturals, for example, 28004986 + ... + 28005025.

It is an arithmetic number, because the mean of its divisors is an integer number (196035042).

Almost surely, 2^1120200220 is an apocalyptic number.

1120200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120200220 is an abundant number, since it is smaller than the sum of its proper divisors (1232220284).

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

1120200220 is a wasteful number, since it uses less digits than its factorization.

1120200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56010020 (or 56010018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1120200220 is about 33469.3922860873. The cubic root of 1120200220 is about 1038.5607000859.

Adding to 1120200220 its reverse (220020211), we get a palindrome (1340220431).

Subtracting from 1120200220 its reverse (220020211), we obtain a square (900180009 = 30003²).

The spelling of 1120200220 in words is "one billion, one hundred twenty million, two hundred thousand, two hundred twenty".