20846854 has 16 divisors (see below), whose sum is σ = 36468000. Its totient is φ = 8934072.

The previous prime is 20846851. The next prime is 20846869. The reversal of 20846854 is 45864802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20846851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14509 + ... + 15880.

It is an arithmetic number, because the mean of its divisors is an integer number (2279250).

Almost surely, 2^20846854 is an apocalyptic number.

20846854 is a deficient number, since it is larger than the sum of its proper divisors (15621146).

20846854 is an equidigital number, since it uses as much as digits as its factorization.

20846854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30412 (or 30398 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 20846854 is about 4565.8355204716. The cubic root of 20846854 is about 275.2201168789.

The spelling of 20846854 in words is "twenty million, eight hundred forty-six thousand, eight hundred fifty-four".