20198282 has 16 divisors (see below), whose sum is σ = 32740512. Its totient is φ = 9290160.

The previous prime is 20198279. The next prime is 20198287. The reversal of 20198282 is 28289102.

It is not an unprimeable number, because it can be changed into a prime (20198287) 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 7 ways as a sum of consecutive naturals, for example, 7433 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (2046282).

Almost surely, 2^20198282 is an apocalyptic number.

20198282 is a deficient number, since it is larger than the sum of its proper divisors (12542230).

20198282 is a wasteful number, since it uses less digits than its factorization.

20198282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 20198282 is about 4494.2498817934. The cubic root of 20198282 is about 272.3358470428.

It can be divided in two parts, 2019 and 8282, that added together give a palindrome (10301).

The spelling of 20198282 in words is "twenty million, one hundred ninety-eight thousand, two hundred eighty-two".