20443025250 has 96 divisors (see below), whose sum is σ = 55332276480. Its totient is φ = 5446116000.

The previous prime is 20443025179. The next prime is 20443025269. The reversal of 20443025250 is 5252034402.

It is a happy number.

20443025250 is a `hidden beast` number, since 204 + 430 + 2 + 5 + 25 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2630871 + ... + 2638629.

It is an arithmetic number, because the mean of its divisors is an integer number (576377880).

Almost surely, 2^20443025250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20443025250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27666138240).

20443025250 is an abundant number, since it is smaller than the sum of its proper divisors (34889251230).

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

20443025250 is a wasteful number, since it uses less digits than its factorization.

20443025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 20443025250 its reverse (5252034402), we get a palindrome (25695059652).

The spelling of 20443025250 in words is "twenty billion, four hundred forty-three million, twenty-five thousand, two hundred fifty".