20002333010197 has 2 divisors, whose sum is σ = 20002333010198. Its totient is φ = 20002333010196.

The previous prime is 20002333010167. The next prime is 20002333010273. The reversal of 20002333010197 is 79101033320002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17807167781316 + 2195165228881 = 4219854^2 + 1481609^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002333010197 - 2²³ = 20002324621589 is a prime.

It is a super-3 number, since 3×20002333010197³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002333010167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001166505098 + 10001166505099.

It is an arithmetic number, because the mean of its divisors is an integer number (10001166505099).

Almost surely, 2^{20002333010197} is an apocalyptic number.

It is an amenable number.

20002333010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002333010197 is an equidigital number, since it uses as much as digits as its factorization.

20002333010197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

Adding to 20002333010197 its reverse (79101033320002), we get a palindrome (99103366330199).

The spelling of 20002333010197 in words is "twenty trillion, two billion, three hundred thirty-three million, ten thousand, one hundred ninety-seven".