130843819820 has 48 divisors (see below), whose sum is σ = 320706570240. Its totient is φ = 43906252224.

The previous prime is 130843819819. The next prime is 130843819861. The reversal of 130843819820 is 28918348031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9935960 + ... + 9949119.

It is an arithmetic number, because the mean of its divisors is an integer number (6681386880).

Almost surely, 2^130843819820 is an apocalyptic number.

130843819820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130843819820 is an abundant number, since it is smaller than the sum of its proper divisors (189862750420).

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

130843819820 is a wasteful number, since it uses less digits than its factorization.

130843819820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885142 (or 19885140 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 130843819820 in words is "one hundred thirty billion, eight hundred forty-three million, eight hundred nineteen thousand, eight hundred twenty".