20236483 has 4 divisors (see below), whose sum is σ = 20252128. Its totient is φ = 20220840.

The previous prime is 20236457. The next prime is 20236499. The reversal of 20236483 is 38463202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20236483 - 2⁵ = 20236451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20236423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5688 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (5063032).

Almost surely, 2^20236483 is an apocalyptic number.

20236483 is a deficient number, since it is larger than the sum of its proper divisors (15645).

20236483 is a wasteful number, since it uses less digits than its factorization.

20236483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15644.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20236483 is about 4498.4978603974. The cubic root of 20236483 is about 272.5074284651.

Adding to 20236483 its reverse (38463202), we get a palindrome (58699685).

The spelling of 20236483 in words is "twenty million, two hundred thirty-six thousand, four hundred eighty-three".