20706194 has 4 divisors (see below), whose sum is σ = 31059294. Its totient is φ = 10353096.

The previous prime is 20706167. The next prime is 20706209. The reversal of 20706194 is 49160702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17598025 + 3108169 = 4195^2 + 1763^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5176547 + ... + 5176550.

Almost surely, 2^20706194 is an apocalyptic number.

20706194 is a deficient number, since it is larger than the sum of its proper divisors (10353100).

20706194 is a wasteful number, since it uses less digits than its factorization.

20706194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353099.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20706194 is about 4550.4059159596. The cubic root of 20706194 is about 274.5997217871.

Adding to 20706194 its reverse (49160702), we get a palindrome (69866896).

The spelling of 20706194 in words is "twenty million, seven hundred six thousand, one hundred ninety-four".