20484283 has 8 divisors (see below), whose sum is σ = 21437856. Its totient is φ = 19536000.

The previous prime is 20484271. The next prime is 20484287. The reversal of 20484283 is 38248402.

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 20484283 - 2⁵ = 20484251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20484287) 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, 8113 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (2679732).

Almost surely, 2^20484283 is an apocalyptic number.

20484283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20484283 is a deficient number, since it is larger than the sum of its proper divisors (953573).

20484283 is a wasteful number, since it uses less digits than its factorization.

20484283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 20484283 is about 4525.9565839721. The cubic root of 20484283 is about 273.6152226050.

The spelling of 20484283 in words is "twenty million, four hundred eighty-four thousand, two hundred eighty-three".