20133333361 has 2 divisors, whose sum is σ = 20133333362. Its totient is φ = 20133333360.

The previous prime is 20133333293. The next prime is 20133333379. The reversal of 20133333361 is 16333333102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12326550625 + 7806782736 = 111025^2 + 88356^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133333361 - 2²⁹ = 19596462449 is a prime.

It is a super-2 number, since 2×20133333361² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20133339361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066666680 + 10066666681.

It is an arithmetic number, because the mean of its divisors is an integer number (10066666681).

Almost surely, 2^20133333361 is an apocalyptic number.

It is an amenable number.

20133333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133333361 is an equidigital number, since it uses as much as digits as its factorization.

20133333361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 20133333361 its reverse (16333333102), we get a palindrome (36466666463).

The spelling of 20133333361 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred sixty-one".