1120002220 has 12 divisors (see below), whose sum is σ = 2352004704. Its totient is φ = 448000880.

The previous prime is 1120002199. The next prime is 1120002239. The reversal of 1120002220 is 222000211.

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

1120002220 is a modest number, since divided by 2220 gives 1120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1120002197 and 1120002206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28000036 + ... + 28000075.

It is an arithmetic number, because the mean of its divisors is an integer number (196000392).

Almost surely, 2^1120002220 is an apocalyptic number.

1120002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120002220 is an abundant number, since it is smaller than the sum of its proper divisors (1232002484).

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

1120002220 is a wasteful number, since it uses less digits than its factorization.

1120002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56000120 (or 56000118 counting only the distinct ones).

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

The square root of 1120002220 is about 33466.4342289405. The cubic root of 1120002220 is about 1038.4995065208.

Adding to 1120002220 its reverse (222000211), we get a palindrome (1342002431).

The spelling of 1120002220 in words is "one billion, one hundred twenty million, two thousand, two hundred twenty".