20404200243033 has 6 divisors (see below), whose sum is σ = 29472733684394. Its totient is φ = 13602800162016.

The previous prime is 20404200243017. The next prime is 20404200243067. The reversal of 20404200243033 is 33034200240402.

20404200243033 is a `hidden beast` number, since 2 + 0 + 404 + 200 + 24 + 3 + 0 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10899823014144 + 9504377228889 = 3301488^2 + 3082917^2 .

It is not a de Polignac number, because 20404200243033 - 2⁴ = 20404200243017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20404200242988 and 20404200243006.

It is not an unprimeable number, because it can be changed into a prime (20404200243733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133566680160 + ... + 1133566680177.

Almost surely, 2^{20404200243033} is an apocalyptic number.

It is an amenable number.

20404200243033 is a deficient number, since it is larger than the sum of its proper divisors (9068533441361).

20404200243033 is a wasteful number, since it uses less digits than its factorization.

20404200243033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267133360343 (or 2267133360340 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20404200243033 its reverse (33034200240402), we get a palindrome (53438400483435).

The spelling of 20404200243033 in words is "twenty trillion, four hundred four billion, two hundred million, two hundred forty-three thousand, thirty-three".