20130465250 has 64 divisors (see below), whose sum is σ = 43118000640. Its totient is φ = 6893812800.

The previous prime is 20130465233. The next prime is 20130465253. The reversal of 20130465250 is 5256403102.

20130465250 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20130465253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1601992 + ... + 1614508.

It is an arithmetic number, because the mean of its divisors is an integer number (673718760).

Almost surely, 2^20130465250 is an apocalyptic number.

20130465250 is an abundant number, since it is smaller than the sum of its proper divisors (22987535390).

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

20130465250 is a wasteful number, since it uses less digits than its factorization.

20130465250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460 (or 13450 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 20130465250 its reverse (5256403102), we get a palindrome (25386868352).

The spelling of 20130465250 in words is "twenty billion, one hundred thirty million, four hundred sixty-five thousand, two hundred fifty".