20324030822869 has 4 divisors (see below), whose sum is σ = 20441510769996. Its totient is φ = 20206550875744.

The previous prime is 20324030822863. The next prime is 20324030822939. The reversal of 20324030822869 is 96822803042302.

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 9072957258225 + 11251073564644 = 3012135^2 + 3354262^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324030822869 - 2²⁵ = 20323997268437 is a prime.

It is a super-2 number, since 2×20324030822869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324030822863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58739973304 + ... + 58739973649.

It is an arithmetic number, because the mean of its divisors is an integer number (5110377692499).

Almost surely, 2^{20324030822869} is an apocalyptic number.

It is an amenable number.

20324030822869 is a deficient number, since it is larger than the sum of its proper divisors (117479947127).

20324030822869 is a wasteful number, since it uses less digits than its factorization.

20324030822869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117479947126.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 20324030822869 in words is "twenty trillion, three hundred twenty-four billion, thirty million, eight hundred twenty-two thousand, eight hundred sixty-nine".