20173085026 has 8 divisors (see below), whose sum is σ = 30325842540. Its totient is φ = 10064470848.

The previous prime is 20173084999. The next prime is 20173085029. The reversal of 20173085026 is 62058037102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17175413025 + 2997672001 = 131055^2 + 54751^2 .

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 = 20173084982 and 20173085000.

It is not an unprimeable number, because it can be changed into a prime (20173085029) 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, 11034691 + ... + 11036518.

Almost surely, 2^20173085026 is an apocalyptic number.

20173085026 is a deficient number, since it is larger than the sum of its proper divisors (10152757514).

20173085026 is a wasteful number, since it uses less digits than its factorization.

20173085026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22071668.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 20173085026 in words is "twenty billion, one hundred seventy-three million, eighty-five thousand, twenty-six".