20123211330033 has 16 divisors (see below), whose sum is σ = 30664290862080. Its totient is φ = 11498846732496.

The previous prime is 20123211330017. The next prime is 20123211330059. The reversal of 20123211330033 is 33003311232102.

It is not a de Polignac number, because 20123211330033 - 2⁴ = 20123211330017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123211329985 and 20123211330012.

It is not an unprimeable number, because it can be changed into a prime (20123211330133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565285 + ... + 7277202.

It is an arithmetic number, because the mean of its divisors is an integer number (1916518178880).

Almost surely, 2^{20123211330033} is an apocalyptic number.

It is an amenable number.

20123211330033 is a deficient number, since it is larger than the sum of its proper divisors (10541079532047).

20123211330033 is a wasteful number, since it uses less digits than its factorization.

20123211330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930876.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20123211330033 its reverse (33003311232102), we get a palindrome (53126522562135).

The spelling of 20123211330033 in words is "twenty trillion, one hundred twenty-three billion, two hundred eleven million, three hundred thirty thousand, thirty-three".