20204106233 has 2 divisors, whose sum is σ = 20204106234. Its totient is φ = 20204106232.

The previous prime is 20204106217. The next prime is 20204106259. The reversal of 20204106233 is 33260140202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13932733369 + 6271372864 = 118037^2 + 79192^2 .

It is a cyclic number.

It is not a de Polignac number, because 20204106233 - 2⁴ = 20204106217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20204106199 and 20204106208.

It is not a weakly prime, because it can be changed into another prime (20204106283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102053116 + 10102053117.

It is an arithmetic number, because the mean of its divisors is an integer number (10102053117).

Almost surely, 2^20204106233 is an apocalyptic number.

It is an amenable number.

20204106233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204106233 is an equidigital number, since it uses as much as digits as its factorization.

20204106233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20204106233 its reverse (33260140202), we get a palindrome (53464246435).

The spelling of 20204106233 in words is "twenty billion, two hundred four million, one hundred six thousand, two hundred thirty-three".