20010010020233 has 2 divisors, whose sum is σ = 20010010020234. Its totient is φ = 20010010020232.

The previous prime is 20010010020197. The next prime is 20010010020251. The reversal of 20010010020233 is 33202001001002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19382067885049 + 627942135184 = 4402507^2 + 792428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010010020233 - 2¹⁴ = 20010010003849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20010010020263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005005010116 + 10005005010117.

It is an arithmetic number, because the mean of its divisors is an integer number (10005005010117).

Almost surely, 2^{20010010020233} is an apocalyptic number.

It is an amenable number.

20010010020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010010020233 is an equidigital number, since it uses as much as digits as its factorization.

20010010020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010010020233 its reverse (33202001001002), we get a palindrome (53212011021235).

The spelling of 20010010020233 in words is "twenty trillion, ten billion, ten million, twenty thousand, two hundred thirty-three".