20026368 has 132 divisors (see below), whose sum is σ = 60353748. Its totient is φ = 6389760.

The previous prime is 20026339. The next prime is 20026373. The reversal of 20026368 is 86362002.

20026368 is a `hidden beast` number, since 20 + 0 + 2 + 636 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 13307904 = 2592^2 + 3648^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377830 + ... + 377882.

Almost surely, 2^20026368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20026368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30176874).

20026368 is an abundant number, since it is smaller than the sum of its proper divisors (40327380).

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

20026368 is a wasteful number, since it uses less digits than its factorization.

20026368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20026368 is about 4475.0830159898. The cubic root of 20026368 is about 271.5609988802.

The spelling of 20026368 in words is "twenty million, twenty-six thousand, three hundred sixty-eight".