20113222992829 has 2 divisors, whose sum is σ = 20113222992830. Its totient is φ = 20113222992828.

The previous prime is 20113222992739. The next prime is 20113222992847. The reversal of 20113222992829 is 92829922231102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17714224715929 + 2398998276900 = 4208827^2 + 1548870^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113222992829 - 2¹⁷ = 20113222861757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113202992829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056611496414 + 10056611496415.

It is an arithmetic number, because the mean of its divisors is an integer number (10056611496415).

Almost surely, 2^{20113222992829} is an apocalyptic number.

It is an amenable number.

20113222992829 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113222992829 is an equidigital number, since it uses as much as digits as its factorization.

20113222992829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 20113222992829 in words is "twenty trillion, one hundred thirteen billion, two hundred twenty-two million, nine hundred ninety-two thousand, eight hundred twenty-nine".