20555315114351 has 8 divisors (see below), whose sum is σ = 21646786099200. Its totient is φ = 19464805359000.

The previous prime is 20555315114333. The next prime is 20555315114357. The reversal of 20555315114351 is 15341151355502.

It is a happy number.

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 20555315114351 - 2⁶ = 20555315114287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20555315114299 and 20555315114308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20555315114357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240263471 + ... + 240349008.

It is an arithmetic number, because the mean of its divisors is an integer number (2705848262400).

Almost surely, 2^{20555315114351} is an apocalyptic number.

20555315114351 is a deficient number, since it is larger than the sum of its proper divisors (1091470984849).

20555315114351 is a wasteful number, since it uses less digits than its factorization.

20555315114351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480614749.

The product of its (nonzero) digits is 225000, while the sum is 41.

Adding to 20555315114351 its reverse (15341151355502), we get a palindrome (35896466469853).

The spelling of 20555315114351 in words is "twenty trillion, five hundred fifty-five billion, three hundred fifteen million, one hundred fourteen thousand, three hundred fifty-one".