20746822 has 16 divisors (see below), whose sum is σ = 33177600. Its totient is φ = 9701640.

The previous prime is 20746811. The next prime is 20746829. The reversal of 20746822 is 22864702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746829) 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, 454 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^20746822 is an apocalyptic number.

20746822 is a deficient number, since it is larger than the sum of its proper divisors (12430778).

20746822 is a wasteful number, since it uses less digits than its factorization.

20746822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 20746822 is about 4554.8679453964. The cubic root of 20746822 is about 274.7792034870.

The spelling of 20746822 in words is "twenty million, seven hundred forty-six thousand, eight hundred twenty-two".