20144120333 has 2 divisors, whose sum is σ = 20144120334. Its totient is φ = 20144120332.

The previous prime is 20144120257. The next prime is 20144120387. The reversal of 20144120333 is 33302144102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15280173769 + 4863946564 = 123613^2 + 69742^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144120333 - 2¹⁶ = 20144054797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20144120299 and 20144120308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144126333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072060166 + 10072060167.

It is an arithmetic number, because the mean of its divisors is an integer number (10072060167).

Almost surely, 2^20144120333 is an apocalyptic number.

It is an amenable number.

20144120333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144120333 is an equidigital number, since it uses as much as digits as its factorization.

20144120333 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 20144120333 its reverse (33302144102), we get a palindrome (53446264435).

The spelling of 20144120333 in words is "twenty billion, one hundred forty-four million, one hundred twenty thousand, three hundred thirty-three".