20382506416 has 20 divisors (see below), whose sum is σ = 39556184512. Its totient is φ = 10174458816.

The previous prime is 20382506401. The next prime is 20382506437. The reversal of 20382506416 is 61460528302.

It is an unprimeable number.

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, 1039635 + ... + 1059058.

Almost surely, 2^20382506416 is an apocalyptic number.

It is an amenable number.

20382506416 is a deficient number, since it is larger than the sum of its proper divisors (19173678096).

20382506416 is a wasteful number, since it uses less digits than its factorization.

20382506416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099308 (or 2099302 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20382506416 in words is "twenty billion, three hundred eighty-two million, five hundred six thousand, four hundred sixteen".