20384022 has 16 divisors (see below), whose sum is σ = 41172912. Its totient is φ = 6727200.

The previous prime is 20383999. The next prime is 20384027. The reversal of 20384022 is 22048302.

It is a self number, because there is not a number n which added to its sum of digits gives 20384022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384027) 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, 16213 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (2573307).

Almost surely, 2^20384022 is an apocalyptic number.

20384022 is an abundant number, since it is smaller than the sum of its proper divisors (20788890).

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

20384022 is a wasteful number, since it uses less digits than its factorization.

20384022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33743.

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

The square root of 20384022 is about 4514.8667754431. The cubic root of 20384022 is about 273.1680860520.

The spelling of 20384022 in words is "twenty million, three hundred eighty-four thousand, twenty-two".