1130232240220 has 72 divisors (see below), whose sum is σ = 2523398396400. Its totient is φ = 424056499200.

The previous prime is 1130232240149. The next prime is 1130232240299. The reversal of 1130232240220 is 220422320311.

It is a junction number, because it is equal to n+sod(n) for n = 1130232240191 and 1130232240200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3730596 + ... + 4022164.

It is an arithmetic number, because the mean of its divisors is an integer number (35047199950).

Almost surely, 2^{1130232240220} is an apocalyptic number.

1130232240220 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 1130232240220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261699198200).

1130232240220 is an abundant number, since it is smaller than the sum of its proper divisors (1393166156180).

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

1130232240220 is a wasteful number, since it uses less digits than its factorization.

1130232240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291799 (or 291696 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1130232240220 its reverse (220422320311), we get a palindrome (1350654560531).

The spelling of 1130232240220 in words is "one trillion, one hundred thirty billion, two hundred thirty-two million, two hundred forty thousand, two hundred twenty".