20616047603 has 16 divisors (see below), whose sum is σ = 22093138080. Its totient is φ = 19180468224.

The previous prime is 20616047593. The next prime is 20616047651. The reversal of 20616047603 is 30674061602.

It is a cyclic number.

It is not a de Polignac number, because 20616047603 - 2¹⁰ = 20616046579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20616047693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291275 + ... + 355067.

It is an arithmetic number, because the mean of its divisors is an integer number (1380821130).

Almost surely, 2^20616047603 is an apocalyptic number.

20616047603 is a deficient number, since it is larger than the sum of its proper divisors (1477090477).

20616047603 is a wasteful number, since it uses less digits than its factorization.

20616047603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64118.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 20616047603 in words is "twenty billion, six hundred sixteen million, forty-seven thousand, six hundred three".