20441016568 has 32 divisors (see below), whose sum is σ = 43807795200. Its totient is φ = 8759312352.

The previous prime is 20441016551. The next prime is 20441016587. The reversal of 20441016568 is 86561014402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535213 + ... + 572131.

It is an arithmetic number, because the mean of its divisors is an integer number (1368993600).

Almost surely, 2^20441016568 is an apocalyptic number.

20441016568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20441016568 is an abundant number, since it is smaller than the sum of its proper divisors (23366778632).

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

20441016568 is a wasteful number, since it uses less digits than its factorization.

20441016568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46819 (or 46815 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 20441016568 in words is "twenty billion, four hundred forty-one million, sixteen thousand, five hundred sixty-eight".