20600445 has 8 divisors (see below), whose sum is σ = 32960736. Its totient is φ = 10986896.

The previous prime is 20600431. The next prime is 20600449. The reversal of 20600445 is 54400602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20600445 - 2⁷ = 20600317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600449) 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, 686667 + ... + 686696.

It is an arithmetic number, because the mean of its divisors is an integer number (4120092).

Almost surely, 2^20600445 is an apocalyptic number.

It is an amenable number.

20600445 is a deficient number, since it is larger than the sum of its proper divisors (12360291).

20600445 is a wasteful number, since it uses less digits than its factorization.

20600445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373371.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20600445 is about 4538.7713095066. The cubic root of 20600445 is about 274.1314525448.

The spelling of 20600445 in words is "twenty million, six hundred thousand, four hundred forty-five".