20575201706 has 8 divisors (see below), whose sum is σ = 31927037220. Its totient is φ = 9932855968.

The previous prime is 20575201693. The next prime is 20575201733. The reversal of 20575201706 is 60710257502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18092671081 + 2482530625 = 134509^2 + 49825^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177372371 + ... + 177372486.

Almost surely, 2^20575201706 is an apocalyptic number.

20575201706 is a deficient number, since it is larger than the sum of its proper divisors (11351835514).

20575201706 is a wasteful number, since it uses less digits than its factorization.

20575201706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354744888.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 20575201706 in words is "twenty billion, five hundred seventy-five million, two hundred one thousand, seven hundred six".