1120010020 has 24 divisors (see below), whose sum is σ = 2390581368. Its totient is φ = 440659200.

The previous prime is 1120010011. The next prime is 1120010041. The reversal of 1120010020 is 200100211.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 1119973156 = 192^2 + 33466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120009985 and 1120010012.

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, 457801 + ... + 460240.

It is an arithmetic number, because the mean of its divisors is an integer number (99607557).

Almost surely, 2^1120010020 is an apocalyptic number.

1120010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120010020 is an abundant number, since it is smaller than the sum of its proper divisors (1270571348).

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

1120010020 is a wasteful number, since it uses less digits than its factorization.

1120010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918111 (or 918109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1120010020 is about 33466.5507634115. The cubic root of 1120010020 is about 1038.5019173128.

Adding to 1120010020 its reverse (200100211), we get a palindrome (1320110231).

It can be divided in two parts, 1 and 120010020, that added together give a palindrome (120010021).

The spelling of 1120010020 in words is "one billion, one hundred twenty million, ten thousand, twenty".