20016635384 has 16 divisors (see below), whose sum is σ = 38091359400. Its totient is φ = 9858939552.

The previous prime is 20016635381. The next prime is 20016635389. The reversal of 20016635384 is 48353661002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016635381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18671699 + ... + 18672770.

Almost surely, 2^20016635384 is an apocalyptic number.

It is an amenable number.

20016635384 is a deficient number, since it is larger than the sum of its proper divisors (18074724016).

20016635384 is a wasteful number, since it uses less digits than its factorization.

20016635384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344542 (or 37344538 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20016635384 in words is "twenty billion, sixteen million, six hundred thirty-five thousand, three hundred eighty-four".