20064035205 has 32 divisors (see below), whose sum is σ = 37767600000. Its totient is φ = 10071357696.

The previous prime is 20064035197. The next prime is 20064035209. The reversal of 20064035205 is 50253046002.

20064035205 is a `hidden beast` number, since 200 + 6 + 403 + 52 + 0 + 5 = 666.

It is not a de Polignac number, because 20064035205 - 2³ = 20064035197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064035209) 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 31 ways as a sum of consecutive naturals, for example, 4368955 + ... + 4373544.

It is an arithmetic number, because the mean of its divisors is an integer number (1180237500).

Almost surely, 2^20064035205 is an apocalyptic number.

It is an amenable number.

20064035205 is a deficient number, since it is larger than the sum of its proper divisors (17703564795).

20064035205 is a wasteful number, since it uses less digits than its factorization.

20064035205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742530 (or 8742524 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20064035205 in words is "twenty billion, sixty-four million, thirty-five thousand, two hundred five".