13420325250 has 96 divisors (see below), whose sum is σ = 36622151280. Its totient is φ = 3545856000.

The previous prime is 13420325239. The next prime is 13420325251. The reversal of 13420325250 is 5252302431.

It is a happy number.

13420325250 is a `hidden beast` number, since 134 + 2 + 0 + 3 + 2 + 525 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2003189049 + 11417136201 = 44757^2 + 106851^2 .

It is not an unprimeable number, because it can be changed into a prime (13420325251) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 217890 + ... + 272610.

Almost surely, 2^13420325250 is an apocalyptic number.

13420325250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13420325250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18311075640).

13420325250 is an abundant number, since it is smaller than the sum of its proper divisors (23201826030).

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

13420325250 is a wasteful number, since it uses less digits than its factorization.

13420325250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54853 (or 54840 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13420325250 its reverse (5252302431), we get a palindrome (18672627681).

The spelling of 13420325250 in words is "thirteen billion, four hundred twenty million, three hundred twenty-five thousand, two hundred fifty".