20022384 has 20 divisors (see below), whose sum is σ = 51724616. Its totient is φ = 6674112.

The previous prime is 20022323. The next prime is 20022407. The reversal of 20022384 is 48322002.

It is a super-2 number, since 2×20022384² = 801791722086912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20022384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208519 + ... + 208614.

Almost surely, 2^20022384 is an apocalyptic number.

20022384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20022384 is an abundant number, since it is smaller than the sum of its proper divisors (31702232).

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

20022384 is a wasteful number, since it uses less digits than its factorization.

20022384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417144 (or 417138 counting only the distinct ones).

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

The square root of 20022384 is about 4474.6378624421. The cubic root of 20022384 is about 271.5429897773.

Adding to 20022384 its reverse (48322002), we get a palindrome (68344386).

The spelling of 20022384 in words is "twenty million, twenty-two thousand, three hundred eighty-four".