20111030230033 has 32 divisors (see below), whose sum is σ = 20534841114624. Its totient is φ = 19691372745792.

The previous prime is 20111030230021. The next prime is 20111030230037. The reversal of 20111030230033 is 33003203011102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20111030230033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111030230037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11031831360 + ... + 11031833182.

It is an arithmetic number, because the mean of its divisors is an integer number (641713784832).

Almost surely, 2^{20111030230033} is an apocalyptic number.

It is an amenable number.

20111030230033 is a deficient number, since it is larger than the sum of its proper divisors (423810884591).

20111030230033 is a wasteful number, since it uses less digits than its factorization.

20111030230033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20111030230033 its reverse (33003203011102), we get a palindrome (53114233241135).

The spelling of 20111030230033 in words is "twenty trillion, one hundred eleven billion, thirty million, two hundred thirty thousand, thirty-three".