20604682 has 8 divisors (see below), whose sum is σ = 35322336. Its totient is φ = 8830572.

The previous prime is 20604679. The next prime is 20604691. The reversal of 20604682 is 28640602.

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

It is a super-3 number, since 3×20604682³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20604682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735868 + ... + 735895.

It is an arithmetic number, because the mean of its divisors is an integer number (4415292).

Almost surely, 2^20604682 is an apocalyptic number.

20604682 is a deficient number, since it is larger than the sum of its proper divisors (14717654).

20604682 is a wasteful number, since it uses less digits than its factorization.

20604682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471772.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20604682 is about 4539.2380417863. The cubic root of 20604682 is about 274.1502452674.

The spelling of 20604682 in words is "twenty million, six hundred four thousand, six hundred eighty-two".