20494268 has 12 divisors (see below), whose sum is σ = 36064392. Its totient is φ = 10190160.

The previous prime is 20494237. The next prime is 20494283. The reversal of 20494268 is 86249402.

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, 13430 + ... + 14877.

It is an arithmetic number, because the mean of its divisors is an integer number (3005366).

Almost surely, 2^20494268 is an apocalyptic number.

It is an amenable number.

20494268 is a deficient number, since it is larger than the sum of its proper divisors (15570124).

20494268 is a wasteful number, since it uses less digits than its factorization.

20494268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28492 (or 28490 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 20494268 is about 4527.0595313073. The cubic root of 20494268 is about 273.6596730129.

The spelling of 20494268 in words is "twenty million, four hundred ninety-four thousand, two hundred sixty-eight".