10520550131330 has 16 divisors (see below), whose sum is σ = 18937330534584. Its totient is φ = 4208144430720.

The previous prime is 10520550131317. The next prime is 10520550131339. The reversal of 10520550131330 is 3313105502501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9747801889609 + 772748241721 = 3122147^2 + 879061^2 .

It is a super-2 number, since 2×10520550131330² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10520550131293 and 10520550131302.

It is not an unprimeable number, because it can be changed into a prime (10520550131339) by changing a digit.

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, 8866691 + ... + 9982950.

Almost surely, 2^{10520550131330} is an apocalyptic number.

10520550131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520550131330 is a deficient number, since it is larger than the sum of its proper divisors (8416780403254).

10520550131330 is a wasteful number, since it uses less digits than its factorization.

10520550131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905461.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 10520550131330 its reverse (3313105502501), we get a palindrome (13833655633831).

The spelling of 10520550131330 in words is "ten trillion, five hundred twenty billion, five hundred fifty million, one hundred thirty-one thousand, three hundred thirty".