20368026 has 48 divisors (see below), whose sum is σ = 51480000. Its totient is φ = 5817672.

The previous prime is 20368003. The next prime is 20368037. The reversal of 20368026 is 62086302.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4525 + ... + 7823.

It is an arithmetic number, because the mean of its divisors is an integer number (1072500).

Almost surely, 2^20368026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20368026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740000).

20368026 is an abundant number, since it is smaller than the sum of its proper divisors (31111974).

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

20368026 is a wasteful number, since it uses less digits than its factorization.

20368026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 3311 counting only the distinct ones).

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

The square root of 20368026 is about 4513.0949469294. The cubic root of 20368026 is about 273.0966127482.

The spelling of 20368026 in words is "twenty million, three hundred sixty-eight thousand, twenty-six".