130555220020 has 24 divisors (see below), whose sum is σ = 281575854504. Its totient is φ = 50810679936.

The previous prime is 130555219933. The next prime is 130555220051. The reversal of 130555220020 is 20022555031.

It is a happy number.

130555220020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57229079076 + 73326140944 = 239226^2 + 270788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88212247 + ... + 88213726.

It is an arithmetic number, because the mean of its divisors is an integer number (11732327271).

Almost surely, 2^130555220020 is an apocalyptic number.

130555220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130555220020 is an abundant number, since it is smaller than the sum of its proper divisors (151020634484).

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

130555220020 is a wasteful number, since it uses less digits than its factorization.

130555220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176426019 (or 176426017 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 130555220020 its reverse (20022555031), we get a palindrome (150577775051).

The spelling of 130555220020 in words is "one hundred thirty billion, five hundred fifty-five million, two hundred twenty thousand, twenty".