20016305005 has 16 divisors (see below), whose sum is σ = 24175532160. Its totient is φ = 15909199168.

The previous prime is 20016304939. The next prime is 20016305017. The reversal of 20016305005 is 50050361002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20016305005 - 2³¹ = 17868821357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341114 + ... + 1355956.

It is an arithmetic number, because the mean of its divisors is an integer number (1510970760).

Almost surely, 2^20016305005 is an apocalyptic number.

It is an amenable number.

20016305005 is a deficient number, since it is larger than the sum of its proper divisors (4159227155).

20016305005 is a wasteful number, since it uses less digits than its factorization.

20016305005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 20016305005 its reverse (50050361002), we get a palindrome (70066666007).

The spelling of 20016305005 in words is "twenty billion, sixteen million, three hundred five thousand, five".