20483797 has 4 divisors (see below), whose sum is σ = 20831040. Its totient is φ = 20136556.

The previous prime is 20483791. The next prime is 20483803. The reversal of 20483797 is 79738402.

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 (20483791) and next prime (20483803).

It is a cyclic number.

It is not a de Polignac number, because 20483797 - 2³ = 20483789 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483791) 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, 173533 + ... + 173650.

It is an arithmetic number, because the mean of its divisors is an integer number (5207760).

Almost surely, 2^20483797 is an apocalyptic number.

It is an amenable number.

20483797 is a deficient number, since it is larger than the sum of its proper divisors (347243).

20483797 is an equidigital number, since it uses as much as digits as its factorization.

20483797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347242.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 20483797 is about 4525.9028933463. The cubic root of 20483797 is about 273.6130587012.

The spelling of 20483797 in words is "twenty million, four hundred eighty-three thousand, seven hundred ninety-seven".