20024202143573 has 4 divisors (see below), whose sum is σ = 20565396796140. Its totient is φ = 19483007491008.

The previous prime is 20024202143567. The next prime is 20024202143587. The reversal of 20024202143573 is 37534120242002.

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 11776036414129 + 8248165729444 = 3431623^2 + 2871962^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024202143573 - 2⁸ = 20024202143317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024202143873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270597326228 + ... + 270597326301.

It is an arithmetic number, because the mean of its divisors is an integer number (5141349199035).

Almost surely, 2^{20024202143573} is an apocalyptic number.

It is an amenable number.

20024202143573 is a deficient number, since it is larger than the sum of its proper divisors (541194652567).

20024202143573 is an equidigital number, since it uses as much as digits as its factorization.

20024202143573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541194652566.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 20024202143573 its reverse (37534120242002), we get a palindrome (57558322385575).

The spelling of 20024202143573 in words is "twenty trillion, twenty-four billion, two hundred two million, one hundred forty-three thousand, five hundred seventy-three".