130443022234420 has 144 divisors (see below), whose sum is σ = 323034284070288. Its totient is φ = 44108557516800.

The previous prime is 130443022234411. The next prime is 130443022234433. The reversal of 130443022234420 is 24432220344031.

It can be written as a sum of positive squares in 8 ways, for example, as 15826170716944 + 114616851517476 = 3978212^2 + 10705926^2 .

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, 2451863820 + ... + 2451917020.

It is an arithmetic number, because the mean of its divisors is an integer number (2243293639377).

Almost surely, 2^{130443022234420} is an apocalyptic number.

130443022234420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130443022234420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161517142035144).

130443022234420 is an abundant number, since it is smaller than the sum of its proper divisors (192591261835868).

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

130443022234420 is a wasteful number, since it uses less digits than its factorization.

130443022234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87570 (or 87561 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 130443022234420 its reverse (24432220344031), we get a palindrome (154875242578451).

The spelling of 130443022234420 in words is "one hundred thirty trillion, four hundred forty-three billion, twenty-two million, two hundred thirty-four thousand, four hundred twenty".