1130230222020 has 144 divisors (see below), whose sum is σ = 3557297382912. Its totient is φ = 290160783360.

The previous prime is 1130230221977. The next prime is 1130230222027. The reversal of 1130230222020 is 202220320311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1130230221984 and 1130230222002.

It is not an unprimeable number, because it can be changed into a prime (1130230222027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 552199 + ... + 1601681.

It is an arithmetic number, because the mean of its divisors is an integer number (24703454048).

Almost surely, 2^{1130230222020} is an apocalyptic number.

1130230222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130230222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778648691456).

1130230222020 is an abundant number, since it is smaller than the sum of its proper divisors (2427067160892).

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

1130230222020 is a wasteful number, since it uses less digits than its factorization.

1130230222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049722 (or 1049717 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1130230222020 its reverse (202220320311), we get a palindrome (1332450542331).

The spelling of 1130230222020 in words is "one trillion, one hundred thirty billion, two hundred thirty million, two hundred twenty-two thousand, twenty".