20133223066 has 8 divisors (see below), whose sum is σ = 32945274144. Its totient is φ = 9151465020.

The previous prime is 20133223051. The next prime is 20133223067. The reversal of 20133223066 is 66032233102.

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

It is not an unprimeable number, because it can be changed into a prime (20133223067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457573230 + ... + 457573273.

It is an arithmetic number, because the mean of its divisors is an integer number (4118159268).

Almost surely, 2^20133223066 is an apocalyptic number.

20133223066 is a deficient number, since it is larger than the sum of its proper divisors (12812051078).

20133223066 is a wasteful number, since it uses less digits than its factorization.

20133223066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915146516.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20133223066 its reverse (66032233102), we get a palindrome (86165456168).

The spelling of 20133223066 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-three thousand, sixty-six".