1130312320020 has 144 divisors (see below), whose sum is σ = 3807837472320. Its totient is φ = 278230702464.

The previous prime is 1130312319979. The next prime is 1130312320043. The reversal of 1130312320020 is 200232130311.

1130312320020 is a `hidden beast` number, since 1 + 1 + 30 + 312 + 320 + 0 + 2 + 0 = 666.

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 = 1130312319975 and 1130312320002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6101554 + ... + 6284073.

It is an arithmetic number, because the mean of its divisors is an integer number (26443315780).

Almost surely, 2^{1130312320020} is an apocalyptic number.

1130312320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130312320020 is an abundant number, since it is smaller than the sum of its proper divisors (2677525152300).

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

1130312320020 is a wasteful number, since it uses less digits than its factorization.

1130312320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385671 (or 12385650 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1130312320020 its reverse (200232130311), we get a palindrome (1330544450331).

The spelling of 1130312320020 in words is "one trillion, one hundred thirty billion, three hundred twelve million, three hundred twenty thousand, twenty".