1120515020 has 24 divisors (see below), whose sum is σ = 2392966800. Its totient is φ = 440608832.

The previous prime is 1120515017. The next prime is 1120515043. The reversal of 1120515020 is 205150211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120515020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473615 + ... + 475974.

It is an arithmetic number, because the mean of its divisors is an integer number (99706950).

Almost surely, 2^1120515020 is an apocalyptic number.

1120515020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120515020 is an abundant number, since it is smaller than the sum of its proper divisors (1272451780).

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

1120515020 is a wasteful number, since it uses less digits than its factorization.

1120515020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949657 (or 949655 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1120515020 is about 33474.0947599782. The cubic root of 1120515020 is about 1038.6579768292.

Adding to 1120515020 its reverse (205150211), we get a palindrome (1325665231).

It can be divided in two parts, 1 and 120515020, that added together give a palindrome (120515021).

The spelling of 1120515020 in words is "one billion, one hundred twenty million, five hundred fifteen thousand, twenty".