20683246 has 4 divisors (see below), whose sum is σ = 31024872. Its totient is φ = 10341622.

The previous prime is 20683241. The next prime is 20683249. The reversal of 20683246 is 64238602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20683241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170810 + ... + 5170813.

It is an arithmetic number, because the mean of its divisors is an integer number (7756218).

Almost surely, 2^20683246 is an apocalyptic number.

20683246 is a deficient number, since it is larger than the sum of its proper divisors (10341626).

20683246 is a wasteful number, since it uses less digits than its factorization.

20683246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341625.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 20683246 is about 4547.8836836489. The cubic root of 20683246 is about 274.4982409811.

The spelling of 20683246 in words is "twenty million, six hundred eighty-three thousand, two hundred forty-six".