20606195 has 8 divisors (see below), whose sum is σ = 24982944. Its totient is φ = 16314624.

The previous prime is 20606191. The next prime is 20606197. The reversal of 20606195 is 59160602.

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

It is not a de Polignac number, because 20606195 - 2² = 20606191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20606191) 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, 20759 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (3122868).

Almost surely, 2^20606195 is an apocalyptic number.

20606195 is a deficient number, since it is larger than the sum of its proper divisors (4376749).

20606195 is an equidigital number, since it uses as much as digits as its factorization.

20606195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42589.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 20606195 is about 4539.4046966535. The cubic root of 20606195 is about 274.1569553793.

Adding to 20606195 its reverse (59160602), we get a palindrome (79766797).

The spelling of 20606195 in words is "twenty million, six hundred six thousand, one hundred ninety-five".