20541242313255 has 8 divisors (see below), whose sum is σ = 32865987701232. Its totient is φ = 10955329233728.

The previous prime is 20541242313173. The next prime is 20541242313283. The reversal of 20541242313255 is 55231324214502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20541242313255 - 2¹⁰ = 20541242312231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684708077094 + ... + 684708077123.

It is an arithmetic number, because the mean of its divisors is an integer number (4108248462654).

Almost surely, 2^{20541242313255} is an apocalyptic number.

20541242313255 is a deficient number, since it is larger than the sum of its proper divisors (12324745387977).

20541242313255 is a wasteful number, since it uses less digits than its factorization.

20541242313255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369416154225.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 20541242313255 its reverse (55231324214502), we get a palindrome (75772566527757).

The spelling of 20541242313255 in words is "twenty trillion, five hundred forty-one billion, two hundred forty-two million, three hundred thirteen thousand, two hundred fifty-five".