20608473 has 8 divisors (see below), whose sum is σ = 28425600. Its totient is φ = 13265168.

The previous prime is 20608453. The next prime is 20608477. The reversal of 20608473 is 37480602.

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 20608473 - 2⁶ = 20608409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20608473.

It is not an unprimeable number, because it can be changed into a prime (20608477) 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, 118353 + ... + 118526.

It is an arithmetic number, because the mean of its divisors is an integer number (3553200).

Almost surely, 2^20608473 is an apocalyptic number.

It is an amenable number.

20608473 is a deficient number, since it is larger than the sum of its proper divisors (7817127).

20608473 is a wasteful number, since it uses less digits than its factorization.

20608473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236911.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20608473 is about 4539.6556036774. The cubic root of 20608473 is about 274.1670576250.

The spelling of 20608473 in words is "twenty million, six hundred eight thousand, four hundred seventy-three".