10520416250 has 20 divisors (see below), whose sum is σ = 19719470562. Its totient is φ = 4208166000.

The previous prime is 10520416219. The next prime is 10520416271. The reversal of 10520416250 is 5261402501.

It can be written as a sum of positive squares in 5 ways, for example, as 73736569 + 10446679681 = 8587^2 + 102209^2 .

It is a super-2 number, since 2×10520416250² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4206917 + ... + 4209416.

Almost surely, 2^10520416250 is an apocalyptic number.

10520416250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520416250 is a deficient number, since it is larger than the sum of its proper divisors (9199054312).

10520416250 is an frugal number, since it uses more digits than its factorization.

10520416250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416355 (or 8416340 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10520416250 its reverse (5261402501), we get a palindrome (15781818751).

The spelling of 10520416250 in words is "ten billion, five hundred twenty million, four hundred sixteen thousand, two hundred fifty".