20133122413 has 2 divisors, whose sum is σ = 20133122414. Its totient is φ = 20133122412.

The previous prime is 20133122377. The next prime is 20133122441. The reversal of 20133122413 is 31422133102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12706474729 + 7426647684 = 112723^2 + 86178^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133122413 - 2⁹ = 20133121901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133128413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066561206 + 10066561207.

It is an arithmetic number, because the mean of its divisors is an integer number (10066561207).

Almost surely, 2^20133122413 is an apocalyptic number.

It is an amenable number.

20133122413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133122413 is an equidigital number, since it uses as much as digits as its factorization.

20133122413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20133122413 its reverse (31422133102), we get a palindrome (51555255515).

The spelling of 20133122413 in words is "twenty billion, one hundred thirty-three million, one hundred twenty-two thousand, four hundred thirteen".