20833946 has 8 divisors (see below), whose sum is σ = 35715360. Its totient is φ = 8928828.

The previous prime is 20833931. The next prime is 20833949. The reversal of 20833946 is 64933802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20833949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744056 + ... + 744083.

It is an arithmetic number, because the mean of its divisors is an integer number (4464420).

Almost surely, 2^20833946 is an apocalyptic number.

20833946 is a deficient number, since it is larger than the sum of its proper divisors (14881414).

20833946 is a wasteful number, since it uses less digits than its factorization.

20833946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488148.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20833946 is about 4564.4217596537. The cubic root of 20833946 is about 275.1633013558.

The spelling of 20833946 in words is "twenty million, eight hundred thirty-three thousand, nine hundred forty-six".