130044134020 has 12 divisors (see below), whose sum is σ = 273092681484. Its totient is φ = 52017653600.

The previous prime is 130044133969. The next prime is 130044134021. The reversal of 130044134020 is 20431440031.

It can be written as a sum of positive squares in 2 ways, for example, as 28089089604 + 101955044416 = 167598^2 + 319304^2 .

It is a super-2 number, since 2×130044134020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130044133982 and 130044134000.

It is not an unprimeable number, because it can be changed into a prime (130044134021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251103331 + ... + 3251103370.

It is an arithmetic number, because the mean of its divisors is an integer number (22757723457).

Almost surely, 2^130044134020 is an apocalyptic number.

130044134020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130044134020 is an abundant number, since it is smaller than the sum of its proper divisors (143048547464).

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

130044134020 is a wasteful number, since it uses less digits than its factorization.

130044134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502206710 (or 6502206708 counting only the distinct ones).

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

Adding to 130044134020 its reverse (20431440031), we get a palindrome (150475574051).

The spelling of 130044134020 in words is "one hundred thirty billion, forty-four million, one hundred thirty-four thousand, twenty".