20546926 has 8 divisors (see below), whose sum is σ = 30843000. Its totient is φ = 10265928.

The previous prime is 20546921. The next prime is 20546941. The reversal of 20546926 is 62964502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20546891 and 20546900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546921) 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, 700 + ... + 6448.

It is an arithmetic number, because the mean of its divisors is an integer number (3855375).

Almost surely, 2^20546926 is an apocalyptic number.

20546926 is a deficient number, since it is larger than the sum of its proper divisors (10296074).

20546926 is a wasteful number, since it uses less digits than its factorization.

20546926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20546926 is about 4532.8717166935. The cubic root of 20546926 is about 273.8938530715.

The spelling of 20546926 in words is "twenty million, five hundred forty-six thousand, nine hundred twenty-six".