20794533 has 4 divisors (see below), whose sum is σ = 27726048. Its totient is φ = 13863020.

The previous prime is 20794517. The next prime is 20794549. The reversal of 20794533 is 33549702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20794517) and next prime (20794549).

It is a cyclic number.

It is not a de Polignac number, because 20794533 - 2⁴ = 20794517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20794494 and 20794503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794513) by changing a digit.

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, 3465753 + ... + 3465758.

It is an arithmetic number, because the mean of its divisors is an integer number (6931512).

Almost surely, 2^20794533 is an apocalyptic number.

It is an amenable number.

20794533 is a deficient number, since it is larger than the sum of its proper divisors (6931515).

20794533 is an equidigital number, since it uses as much as digits as its factorization.

20794533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931514.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 20794533 is about 4560.1023014840. The cubic root of 20794533 is about 274.9896767475.

The spelling of 20794533 in words is "twenty million, seven hundred ninety-four thousand, five hundred thirty-three".