20034533305 has 8 divisors (see below), whose sum is σ = 24146425800. Its totient is φ = 15957636096.

The previous prime is 20034533251. The next prime is 20034533317. The reversal of 20034533305 is 50333543002.

It can be written as a sum of positive squares in 4 ways, for example, as 11402822656 + 8631710649 = 106784^2 + 92907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20034533305 - 2⁷ = 20034533177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747560 + ... + 8749849.

It is an arithmetic number, because the mean of its divisors is an integer number (3018303225).

Almost surely, 2^20034533305 is an apocalyptic number.

It is an amenable number.

20034533305 is a deficient number, since it is larger than the sum of its proper divisors (4111892495).

20034533305 is a wasteful number, since it uses less digits than its factorization.

20034533305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497643.

The product of its (nonzero) digits is 16200, while the sum is 28.

The spelling of 20034533305 in words is "twenty billion, thirty-four million, five hundred thirty-three thousand, three hundred five".