1120343020 has 48 divisors (see below), whose sum is σ = 2382202368. Its totient is φ = 442552320.

The previous prime is 1120343011. The next prime is 1120343033. The reversal of 1120343020 is 203430211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1120342985 and 1120343003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760885 + ... + 762355.

It is an arithmetic number, because the mean of its divisors is an integer number (49629216).

Almost surely, 2^1120343020 is an apocalyptic number.

1120343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120343020 is an abundant number, since it is smaller than the sum of its proper divisors (1261859348).

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

1120343020 is a wasteful number, since it uses less digits than its factorization.

1120343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1120343020 is about 33471.5255104992. The cubic root of 1120343020 is about 1038.6048291514.

Adding to 1120343020 its reverse (203430211), we get a palindrome (1323773231).

It can be divided in two parts, 1 and 120343020, that added together give a palindrome (120343021).

The spelling of 1120343020 in words is "one billion, one hundred twenty million, three hundred forty-three thousand, twenty".