20448483 has 16 divisors (see below), whose sum is σ = 29966976. Its totient is φ = 12299840.

The previous prime is 20448469. The next prime is 20448511. The reversal of 20448483 is 38484402.

It is a Cunningham number, because it is equal to 4522²-1.

It is a cyclic number.

It is not a de Polignac number, because 20448483 - 2⁸ = 20448227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20448413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2260 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1872936).

Almost surely, 2^20448483 is an apocalyptic number.

20448483 is a deficient number, since it is larger than the sum of its proper divisors (9518493).

20448483 is a wasteful number, since it uses less digits than its factorization.

20448483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 20448483 is about 4521.9998894295. Note that the first 3 decimals coincide. The cubic root of 20448483 is about 273.4557322461.

The spelling of 20448483 in words is "twenty million, four hundred forty-eight thousand, four hundred eighty-three".