1130520020 has 48 divisors (see below), whose sum is σ = 2747619840. Its totient is φ = 382696704.

The previous prime is 1130519947. The next prime is 1130520031. The reversal of 1130520020 is 200250311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1130519977 and 1130520004.

It is a congruent number.

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, 40049 + ... + 62168.

It is an arithmetic number, because the mean of its divisors is an integer number (57242080).

Almost surely, 2^1130520020 is an apocalyptic number.

1130520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130520020 is an abundant number, since it is smaller than the sum of its proper divisors (1617099820).

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

1130520020 is a wasteful number, since it uses less digits than its factorization.

1130520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102312 (or 102310 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1130520020 is about 33623.2065692730. The cubic root of 1130520020 is about 1041.7401893990.

Adding to 1130520020 its reverse (200250311), we get a palindrome (1330770331).

The spelling of 1130520020 in words is "one billion, one hundred thirty million, five hundred twenty thousand, twenty".