20803422 has 16 divisors (see below), whose sum is σ = 42492672. Its totient is φ = 6786840.

The previous prime is 20803417. The next prime is 20803487. The reversal of 20803422 is 22430802.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36604 + ... + 37167.

It is an arithmetic number, because the mean of its divisors is an integer number (2655792).

Almost surely, 2^20803422 is an apocalyptic number.

20803422 is an abundant number, since it is smaller than the sum of its proper divisors (21689250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20803422 is a wasteful number, since it uses less digits than its factorization.

20803422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73823.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20803422 is about 4561.0768465353. The cubic root of 20803422 is about 275.0288542726.

The spelling of 20803422 in words is "twenty million, eight hundred three thousand, four hundred twenty-two".