20914350568 has 32 divisors (see below), whose sum is σ = 39483934560. Its totient is φ = 10385369280.

The previous prime is 20914350563. The next prime is 20914350571. The reversal of 20914350568 is 86505341902.

It is not an unprimeable number, because it can be changed into a prime (20914350563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4171183 + ... + 4176193.

It is an arithmetic number, because the mean of its divisors is an integer number (1233872955).

Almost surely, 2^20914350568 is an apocalyptic number.

It is an amenable number.

20914350568 is a deficient number, since it is larger than the sum of its proper divisors (18569583992).

20914350568 is a wasteful number, since it uses less digits than its factorization.

20914350568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497 (or 8493 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 20914350568 in words is "twenty billion, nine hundred fourteen million, three hundred fifty thousand, five hundred sixty-eight".