20025044250 has 32 divisors (see below), whose sum is σ = 49982512320. Its totient is φ = 5340011600.

The previous prime is 20025044189. The next prime is 20025044279. The reversal of 20025044250 is 5244052002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20025044250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13349280 + ... + 13350779.

It is an arithmetic number, because the mean of its divisors is an integer number (1561953510).

Almost surely, 2^20025044250 is an apocalyptic number.

20025044250 is an abundant number, since it is smaller than the sum of its proper divisors (29957468070).

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

20025044250 is a wasteful number, since it uses less digits than its factorization.

20025044250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700079 (or 26700069 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 20025044250 its reverse (5244052002), we get a palindrome (25269096252).

The spelling of 20025044250 in words is "twenty billion, twenty-five million, forty-four thousand, two hundred fifty".