20963733 has 8 divisors (see below), whose sum is σ = 31944768. Its totient is φ = 11979264.

The previous prime is 20963717. The next prime is 20963743. The reversal of 20963733 is 33736902.

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

It is not a de Polignac number, because 20963733 - 2⁴ = 20963717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20963694 and 20963703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20963743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499116 + ... + 499157.

It is an arithmetic number, because the mean of its divisors is an integer number (3993096).

Almost surely, 2^20963733 is an apocalyptic number.

It is an amenable number.

20963733 is a deficient number, since it is larger than the sum of its proper divisors (10981035).

20963733 is an equidigital number, since it uses as much as digits as its factorization.

20963733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998283.

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 20963733 is about 4578.6169309083. The cubic root of 20963733 is about 275.7335040533.

The spelling of 20963733 in words is "twenty million, nine hundred sixty-three thousand, seven hundred thirty-three".