20844246 has 16 divisors (see below), whose sum is σ = 42815664. Its totient is φ = 6760224.

The previous prime is 20844223. The next prime is 20844253. The reversal of 20844246 is 64244802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46725 + ... + 47168.

It is an arithmetic number, because the mean of its divisors is an integer number (2675979).

Almost surely, 2^20844246 is an apocalyptic number.

20844246 is an abundant number, since it is smaller than the sum of its proper divisors (21971418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20844246 is a wasteful number, since it uses less digits than its factorization.

20844246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93935.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 20844246 is about 4565.5499121135. The cubic root of 20844246 is about 275.2086394637.

The spelling of 20844246 in words is "twenty million, eight hundred forty-four thousand, two hundred forty-six".