20016601305 has 64 divisors (see below), whose sum is σ = 33094643712. Its totient is φ = 10326839040.

The previous prime is 20016601303. The next prime is 20016601321. The reversal of 20016601305 is 50310661002.

It is not a de Polignac number, because 20016601305 - 2¹ = 20016601303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20016601303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15361284 + ... + 15362586.

It is an arithmetic number, because the mean of its divisors is an integer number (517103808).

Almost surely, 2^20016601305 is an apocalyptic number.

It is an amenable number.

20016601305 is a deficient number, since it is larger than the sum of its proper divisors (13078042407).

20016601305 is a wasteful number, since it uses less digits than its factorization.

20016601305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 20016601305 in words is "twenty billion, sixteen million, six hundred one thousand, three hundred five".