20682422 has 4 divisors (see below), whose sum is σ = 31023636. Its totient is φ = 10341210.

The previous prime is 20682419. The next prime is 20682427. The reversal of 20682422 is 22428602.

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

It is a super-3 number, since 3×20682422³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20682391 and 20682400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170604 + ... + 5170607.

It is an arithmetic number, because the mean of its divisors is an integer number (7755909).

Almost surely, 2^20682422 is an apocalyptic number.

20682422 is a deficient number, since it is larger than the sum of its proper divisors (10341214).

20682422 is a wasteful number, since it uses less digits than its factorization.

20682422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341213.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20682422 is about 4547.7930911597. The cubic root of 20682422 is about 274.4945956868.

It can be divided in two parts, 206 and 82422, that added together give a palindrome (82628).

The spelling of 20682422 in words is "twenty million, six hundred eighty-two thousand, four hundred twenty-two".