20741822 has 4 divisors (see below), whose sum is σ = 31112736. Its totient is φ = 10370910.

The previous prime is 20741803. The next prime is 20741827. The reversal of 20741822 is 22814702.

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

It is a junction number, because it is equal to n+sod(n) for n = 20741791 and 20741800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741827) by changing a digit.

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 as a sum of consecutive naturals, namely, 5185454 + ... + 5185457.

It is an arithmetic number, because the mean of its divisors is an integer number (7778184).

Almost surely, 2^20741822 is an apocalyptic number.

20741822 is a deficient number, since it is larger than the sum of its proper divisors (10370914).

20741822 is a wasteful number, since it uses less digits than its factorization.

20741822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370913.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 20741822 is about 4554.3190489907. The cubic root of 20741822 is about 274.7571277139.

The spelling of 20741822 in words is "twenty million, seven hundred forty-one thousand, eight hundred twenty-two".