20016544630 has 16 divisors (see below), whose sum is σ = 36038162160. Its totient is φ = 8004755232.

The previous prime is 20016544577. The next prime is 20016544637. The reversal of 20016544630 is 3644561002.

It is a junction number, because it is equal to n+sod(n) for n = 20016544592 and 20016544601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016544637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187269 + ... + 274048.

It is an arithmetic number, because the mean of its divisors is an integer number (2252385135).

Almost surely, 2^20016544630 is an apocalyptic number.

20016544630 is a deficient number, since it is larger than the sum of its proper divisors (16021617530).

20016544630 is a wasteful number, since it uses less digits than its factorization.

20016544630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465663.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20016544630 in words is "twenty billion, sixteen million, five hundred forty-four thousand, six hundred thirty".