20011333205 has 8 divisors (see below), whose sum is σ = 24372012192. Its totient is φ = 15770125008.

The previous prime is 20011333189. The next prime is 20011333213. The reversal of 20011333205 is 50233311002.

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 20011333205 - 2⁴ = 20011333189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29867327 + ... + 29867996.

It is an arithmetic number, because the mean of its divisors is an integer number (3046501524).

Almost surely, 2^20011333205 is an apocalyptic number.

It is an amenable number.

20011333205 is a deficient number, since it is larger than the sum of its proper divisors (4360678987).

20011333205 is an equidigital number, since it uses as much as digits as its factorization.

20011333205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59735395.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 20011333205 its reverse (50233311002), we get a palindrome (70244644207).

The spelling of 20011333205 in words is "twenty billion, eleven million, three hundred thirty-three thousand, two hundred five".