20344133550255 has 16 divisors (see below), whose sum is σ = 32551851178464. Its totient is φ = 10849792060800.

The previous prime is 20344133550187. The next prime is 20344133550287. The reversal of 20344133550255 is 55205533144302.

It is not a de Polignac number, because 20344133550255 - 2¹⁰ = 20344133549231 is a prime.

It is a super-2 number, since 2×20344133550255² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25373296 + ... + 26162805.

It is an arithmetic number, because the mean of its divisors is an integer number (2034490698654).

Almost surely, 2^{20344133550255} is an apocalyptic number.

20344133550255 is a deficient number, since it is larger than the sum of its proper divisors (12207717628209).

20344133550255 is a wasteful number, since it uses less digits than its factorization.

20344133550255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51562426.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 20344133550255 its reverse (55205533144302), we get a palindrome (75549666694557).

The spelling of 20344133550255 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-three million, five hundred fifty thousand, two hundred fifty-five".