1120442020 has 12 divisors (see below), whose sum is σ = 2352928284. Its totient is φ = 448176800.

The previous prime is 1120441969. The next prime is 1120442039. The reversal of 1120442020 is 202440211.

It can be written as a sum of positive squares in 2 ways, for example, as 747256896 + 373185124 = 27336^2 + 19318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120441985 and 1120442003.

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, 28011031 + ... + 28011070.

It is an arithmetic number, because the mean of its divisors is an integer number (196077357).

Almost surely, 2^1120442020 is an apocalyptic number.

1120442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120442020 is an abundant number, since it is smaller than the sum of its proper divisors (1232486264).

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

1120442020 is a wasteful number, since it uses less digits than its factorization.

1120442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56022110 (or 56022108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1120442020 is about 33473.0043467867. The cubic root of 1120442020 is about 1038.6354206303.

Adding to 1120442020 its reverse (202440211), we get a palindrome (1322882231).

The spelling of 1120442020 in words is "one billion, one hundred twenty million, four hundred forty-two thousand, twenty".