20522717416 has 16 divisors (see below), whose sum is σ = 38505384000. Its totient is φ = 10254615024.

The previous prime is 20522717389. The next prime is 20522717417. The reversal of 20522717416 is 61471722502.

It is not an unprimeable number, because it can be changed into a prime (20522717417) 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 3 ways as a sum of consecutive naturals, for example, 830016 + ... + 854383.

It is an arithmetic number, because the mean of its divisors is an integer number (2406586500).

Almost surely, 2^20522717416 is an apocalyptic number.

It is an amenable number.

20522717416 is a deficient number, since it is larger than the sum of its proper divisors (17982666584).

20522717416 is a wasteful number, since it uses less digits than its factorization.

20522717416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685928 (or 1685924 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 20522717416 in words is "twenty billion, five hundred twenty-two million, seven hundred seventeen thousand, four hundred sixteen".