20560173226 has 8 divisors (see below), whose sum is σ = 31001727744. Its totient is φ = 10226263980.

The previous prime is 20560173223. The next prime is 20560173233. The reversal of 20560173226 is 62237106502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20560173191 and 20560173200.

It is not an unprimeable number, because it can be changed into a prime (20560173223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26910840 + ... + 26911603.

It is an arithmetic number, because the mean of its divisors is an integer number (3875215968).

Almost surely, 2^20560173226 is an apocalyptic number.

20560173226 is a deficient number, since it is larger than the sum of its proper divisors (10441554518).

20560173226 is a wasteful number, since it uses less digits than its factorization.

20560173226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53822636.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 20560173226 its reverse (62237106502), we get a palindrome (82797279728).

The spelling of 20560173226 in words is "twenty billion, five hundred sixty million, one hundred seventy-three thousand, two hundred twenty-six".