20933336 has 8 divisors (see below), whose sum is σ = 39250020. Its totient is φ = 10466664.

The previous prime is 20933333. The next prime is 20933399. The reversal of 20933336 is 63333902.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20933299 and 20933308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20933333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308326 + ... + 1308341.

Almost surely, 2^20933336 is an apocalyptic number.

It is an amenable number.

20933336 is a deficient number, since it is larger than the sum of its proper divisors (18316684).

20933336 is a wasteful number, since it uses less digits than its factorization.

20933336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616673 (or 2616669 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 29.

The square root of 20933336 is about 4575.2962745597. The cubic root of 20933336 is about 275.6001702051.

The spelling of 20933336 in words is "twenty million, nine hundred thirty-three thousand, three hundred thirty-six".