20930282 has 8 divisors (see below), whose sum is σ = 31419876. Its totient is φ = 10456992.

The previous prime is 20930269. The next prime is 20930317. The reversal of 20930282 is 28203902.

It can be written as a sum of positive squares in 2 ways, for example, as 19722481 + 1207801 = 4441^2 + 1099^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 6470.

Almost surely, 2^20930282 is an apocalyptic number.

20930282 is a deficient number, since it is larger than the sum of its proper divisors (10489594).

20930282 is a wasteful number, since it uses less digits than its factorization.

20930282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20930282 is about 4574.9625135076. The cubic root of 20930282 is about 275.5867669607.

It can be divided in two parts, 20930 and 282, that added together give a palindrome (21212).

The spelling of 20930282 in words is "twenty million, nine hundred thirty thousand, two hundred eighty-two".