20425210444 has 48 divisors (see below), whose sum is σ = 39293210880. Its totient is φ = 9246916800.

The previous prime is 20425210441. The next prime is 20425210453. The reversal of 20425210444 is 44401252402.

It is not an unprimeable number, because it can be changed into a prime (20425210441) 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 15 ways as a sum of consecutive naturals, for example, 2532322 + ... + 2540374.

It is an arithmetic number, because the mean of its divisors is an integer number (818608560).

Almost surely, 2^20425210444 is an apocalyptic number.

It is an amenable number.

20425210444 is a deficient number, since it is larger than the sum of its proper divisors (18868000436).

20425210444 is a wasteful number, since it uses less digits than its factorization.

20425210444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550 (or 9548 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 20425210444 its reverse (44401252402), we get a palindrome (64826462846).

The spelling of 20425210444 in words is "twenty billion, four hundred twenty-five million, two hundred ten thousand, four hundred forty-four".