20110017173427 has 12 divisors (see below), whose sum is σ = 29154990050784. Its totient is φ = 13357206977040.

The previous prime is 20110017173413. The next prime is 20110017173461. The reversal of 20110017173427 is 72437171001102.

20110017173427 is a `hidden beast` number, since 201 + 1 + 0 + 0 + 17 + 17 + 3 + 427 = 666.

It is not a de Polignac number, because 20110017173427 - 2¹⁹ = 20110016649139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110017173391 and 20110017173400.

It is not an unprimeable number, because it can be changed into a prime (20110017173027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4122592308 + ... + 4122597185.

It is an arithmetic number, because the mean of its divisors is an integer number (2429582504232).

Almost surely, 2^{20110017173427} is an apocalyptic number.

20110017173427 is a deficient number, since it is larger than the sum of its proper divisors (9044972877357).

20110017173427 is a wasteful number, since it uses less digits than its factorization.

20110017173427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245189770 (or 8245189767 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

Adding to 20110017173427 its reverse (72437171001102), we get a palindrome (92547188174529).

The spelling of 20110017173427 in words is "twenty trillion, one hundred ten billion, seventeen million, one hundred seventy-three thousand, four hundred twenty-seven".