20894246 has 8 divisors (see below), whose sum is σ = 31374864. Its totient is φ = 10435960.

The previous prime is 20894231. The next prime is 20894261. The reversal of 20894246 is 64249802.

It is an interprime number because it is at equal distance from previous prime (20894231) and next prime (20894261).

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 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, 3005 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (3921858).

Almost surely, 2^20894246 is an apocalyptic number.

20894246 is a deficient number, since it is larger than the sum of its proper divisors (10480618).

20894246 is a wasteful number, since it uses less digits than its factorization.

20894246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166.

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

The square root of 20894246 is about 4571.0224239222. The cubic root of 20894246 is about 275.4285153954.

The spelling of 20894246 in words is "twenty million, eight hundred ninety-four thousand, two hundred forty-six".