20682454 has 8 divisors (see below), whose sum is σ = 33410160. Its totient is φ = 9545736.

The previous prime is 20682427. The next prime is 20682461. The reversal of 20682454 is 45428602.

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

It is a congruent number.

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, 397714 + ... + 397765.

It is an arithmetic number, because the mean of its divisors is an integer number (4176270).

Almost surely, 2^20682454 is an apocalyptic number.

20682454 is a deficient number, since it is larger than the sum of its proper divisors (12727706).

20682454 is a wasteful number, since it uses less digits than its factorization.

20682454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795494.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 20682454 is about 4547.7966093483. The cubic root of 20682454 is about 274.4947372534.

The spelling of 20682454 in words is "twenty million, six hundred eighty-two thousand, four hundred fifty-four".