20604614 has 8 divisors (see below), whose sum is σ = 31114800. Its totient is φ = 10233016.

The previous prime is 20604613. The next prime is 20604679. The reversal of 20604614 is 41640602.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20604614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34274 + ... + 34869.

It is an arithmetic number, because the mean of its divisors is an integer number (3889350).

Almost surely, 2^20604614 is an apocalyptic number.

20604614 is a deficient number, since it is larger than the sum of its proper divisors (10510186).

20604614 is a wasteful number, since it uses less digits than its factorization.

20604614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69294.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20604614 is about 4539.2305515362. The cubic root of 20604614 is about 274.1499436816.

The spelling of 20604614 in words is "twenty million, six hundred four thousand, six hundred fourteen".