20333011066 has 8 divisors (see below), whose sum is σ = 30524336820. Its totient is φ = 10158232128.

The previous prime is 20333011021. The next prime is 20333011067. The reversal of 20333011066 is 66011033302.

It can be written as a sum of positive squares in 2 ways, for example, as 20286020041 + 46991025 = 142429^2 + 6855^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20333011066.

It is not an unprimeable number, because it can be changed into a prime (20333011067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133631 + ... + 4138546.

Almost surely, 2^20333011066 is an apocalyptic number.

20333011066 is a deficient number, since it is larger than the sum of its proper divisors (10191325754).

20333011066 is a wasteful number, since it uses less digits than its factorization.

20333011066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273408.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20333011066 its reverse (66011033302), we get a palindrome (86344044368).

The spelling of 20333011066 in words is "twenty billion, three hundred thirty-three million, eleven thousand, sixty-six".