20022328 has 64 divisors (see below), whose sum is σ = 42845760. Its totient is φ = 8718336.

The previous prime is 20022323. The next prime is 20022407. The reversal of 20022328 is 82322002.

Together with 22823432 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115650 + ... + 115822.

It is an arithmetic number, because the mean of its divisors is an integer number (669465).

Almost surely, 2^20022328 is an apocalyptic number.

It is an amenable number.

20022328 is an abundant number, since it is smaller than the sum of its proper divisors (22823432).

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

20022328 is a wasteful number, since it uses less digits than its factorization.

20022328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20022328 is about 4474.6316049481. The cubic root of 20022328 is about 271.5427366202.

The spelling of 20022328 in words is "twenty million, twenty-two thousand, three hundred twenty-eight".