20797283 has 8 divisors (see below), whose sum is σ = 22460928. Its totient is φ = 19142784.

The previous prime is 20797277. The next prime is 20797339. The reversal of 20797283 is 38279702.

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

It is a cyclic number.

It is not a de Polignac number, because 20797283 - 2¹² = 20793187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20797223) 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, 2891 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (2807616).

Almost surely, 2^20797283 is an apocalyptic number.

20797283 is a deficient number, since it is larger than the sum of its proper divisors (1663645).

20797283 is a wasteful number, since it uses less digits than its factorization.

20797283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 20797283 is about 4560.4038198388. The cubic root of 20797283 is about 275.0017983353.

The spelling of 20797283 in words is "twenty million, seven hundred ninety-seven thousand, two hundred eighty-three".