20051441616 has 40 divisors (see below), whose sum is σ = 52572693664. Its totient is φ = 6584054400.

The previous prime is 20051441593. The next prime is 20051441617. The reversal of 20051441616 is 61614415002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051441617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114235 + ... + 3120666.

Almost surely, 2^20051441616 is an apocalyptic number.

It is an amenable number.

20051441616 is an abundant number, since it is smaller than the sum of its proper divisors (32521252048).

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

20051441616 is a wasteful number, since it uses less digits than its factorization.

20051441616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234979 (or 6234973 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 20051441616 its reverse (61614415002), we get a palindrome (81665856618).

The spelling of 20051441616 in words is "twenty billion, fifty-one million, four hundred forty-one thousand, six hundred sixteen".