20682262 has 8 divisors (see below), whose sum is σ = 31089600. Its totient is φ = 10319064.

The previous prime is 20682257. The next prime is 20682271. The reversal of 20682262 is 26228602.

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

It is a super-2 number, since 2×20682262² = 855511922873288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20682262.

It is a congruent number.

It is an unprimeable number.

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, 9837 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (3886200).

Almost surely, 2^20682262 is an apocalyptic number.

20682262 is a deficient number, since it is larger than the sum of its proper divisors (10407338).

20682262 is a wasteful number, since it uses less digits than its factorization.

20682262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22070.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20682262 is about 4547.7755001759. The cubic root of 20682262 is about 274.4938878514.

The spelling of 20682262 in words is "twenty million, six hundred eighty-two thousand, two hundred sixty-two".