20123482 has 8 divisors (see below), whose sum is σ = 31497696. Its totient is φ = 9624252.

The previous prime is 20123479. The next prime is 20123483. The reversal of 20123482 is 28432102.

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

It is not an unprimeable number, because it can be changed into a prime (20123483) 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, 218688 + ... + 218779.

It is an arithmetic number, because the mean of its divisors is an integer number (3937212).

Almost surely, 2^20123482 is an apocalyptic number.

20123482 is a deficient number, since it is larger than the sum of its proper divisors (11374214).

20123482 is a wasteful number, since it uses less digits than its factorization.

20123482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437492.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20123482 is about 4485.9204183757. The cubic root of 20123482 is about 271.9992520885. Note that the first 3 decimals are identical.

Adding to 20123482 its reverse (28432102), we get a palindrome (48555584).

The spelling of 20123482 in words is "twenty million, one hundred twenty-three thousand, four hundred eighty-two".