10550130320 has 20 divisors (see below), whose sum is σ = 24529053180. Its totient is φ = 4220052096.

The previous prime is 10550130319. The next prime is 10550130329. The reversal of 10550130320 is 2303105501.

It can be written as a sum of positive squares in 2 ways, for example, as 6629867776 + 3920262544 = 81424^2 + 62612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10550130320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10550130292 and 10550130301.

It is not an unprimeable number, because it can be changed into a prime (10550130329) 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, 65938235 + ... + 65938394.

It is an arithmetic number, because the mean of its divisors is an integer number (1226452659).

Almost surely, 2^10550130320 is an apocalyptic number.

10550130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10550130320 is an abundant number, since it is smaller than the sum of its proper divisors (13978922860).

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

10550130320 is a wasteful number, since it uses less digits than its factorization.

10550130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131876642 (or 131876636 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 10550130320 its reverse (2303105501), we get a palindrome (12853235821).

The spelling of 10550130320 in words is "ten billion, five hundred fifty million, one hundred thirty thousand, three hundred twenty".