20113302233 has 2 divisors, whose sum is σ = 20113302234. Its totient is φ = 20113302232.

The previous prime is 20113302199. The next prime is 20113302239. The reversal of 20113302233 is 33220331102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12345876544 + 7767425689 = 111112^2 + 88133^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113302233 - 2²² = 20109107929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113302239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056651116 + 10056651117.

It is an arithmetic number, because the mean of its divisors is an integer number (10056651117).

Almost surely, 2^20113302233 is an apocalyptic number.

It is an amenable number.

20113302233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113302233 is an equidigital number, since it uses as much as digits as its factorization.

20113302233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20113302233 its reverse (33220331102), we get a palindrome (53333633335).

The spelling of 20113302233 in words is "twenty billion, one hundred thirteen million, three hundred two thousand, two hundred thirty-three".