20213133322127 has 2 divisors, whose sum is σ = 20213133322128. Its totient is φ = 20213133322126.

The previous prime is 20213133322093. The next prime is 20213133322139. The reversal of 20213133322127 is 72122333131202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20213133322127 - 2¹⁰ = 20213133321103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20213133322093 and 20213133322102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20213133352127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106566661063 + 10106566661064.

It is an arithmetic number, because the mean of its divisors is an integer number (10106566661064).

Almost surely, 2^{20213133322127} is an apocalyptic number.

20213133322127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213133322127 is an equidigital number, since it uses as much as digits as its factorization.

20213133322127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 20213133322127 its reverse (72122333131202), we get a palindrome (92335466453329).

The spelling of 20213133322127 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred twenty-seven".