1130303223020 has 24 divisors (see below), whose sum is σ = 2397138126768. Its totient is φ = 447644840000.

The previous prime is 1130303223017. The next prime is 1130303223029. The reversal of 1130303223020 is 203223030311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1130303222983 and 1130303223001.

It is not an unprimeable number, because it can be changed into a prime (1130303223029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279776006 + ... + 279780045.

It is an arithmetic number, because the mean of its divisors is an integer number (99880755282).

Almost surely, 2^{1130303223020} is an apocalyptic number.

1130303223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130303223020 is an abundant number, since it is smaller than the sum of its proper divisors (1266834903748).

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

1130303223020 is a wasteful number, since it uses less digits than its factorization.

1130303223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559556161 (or 559556159 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1130303223020 its reverse (203223030311), we get a palindrome (1333526253331).

The spelling of 1130303223020 in words is "one trillion, one hundred thirty billion, three hundred three million, two hundred twenty-three thousand, twenty".