20220834529729 has 4 divisors (see below), whose sum is σ = 20229938914900. Its totient is φ = 20211730144560.

The previous prime is 20220834529703. The next prime is 20220834529751. The reversal of 20220834529729 is 92792543802202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8988315794704 + 11232518735025 = 2998052^2 + 3351495^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220834529729 - 2⁵ = 20220834529697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220834529729.

It is not an unprimeable number, because it can be changed into a prime (20220834521729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4552189254 + ... + 4552193695.

It is an arithmetic number, because the mean of its divisors is an integer number (5057484728725).

Almost surely, 2^{20220834529729} is an apocalyptic number.

It is an amenable number.

20220834529729 is a deficient number, since it is larger than the sum of its proper divisors (9104385171).

20220834529729 is an equidigital number, since it uses as much as digits as its factorization.

20220834529729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104385170.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 20220834529729 in words is "twenty trillion, two hundred twenty billion, eight hundred thirty-four million, five hundred twenty-nine thousand, seven hundred twenty-nine".