20347223243053 has 16 divisors (see below), whose sum is σ = 23522485553280. Its totient is φ = 17239210560000.

The previous prime is 20347223242961. The next prime is 20347223243089. The reversal of 20347223243053 is 35034232274302.

It is a cyclic number.

It is not a de Polignac number, because 20347223243053 - 2²⁵ = 20347189688621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20347223242997 and 20347223243015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20347223243093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997708 + ... + 7048453.

It is an arithmetic number, because the mean of its divisors is an integer number (1470155347080).

Almost surely, 2^{20347223243053} is an apocalyptic number.

It is an amenable number.

20347223243053 is a deficient number, since it is larger than the sum of its proper divisors (3175262310227).

20347223243053 is a wasteful number, since it uses less digits than its factorization.

20347223243053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049508.

The product of its (nonzero) digits is 725760, while the sum is 40.

The spelling of 20347223243053 in words is "twenty trillion, three hundred forty-seven billion, two hundred twenty-three million, two hundred forty-three thousand, fifty-three".