20235366 has 16 divisors (see below), whose sum is σ = 44967600. Its totient is φ = 6745104.

The previous prime is 20235353. The next prime is 20235373. The reversal of 20235366 is 66353202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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, 187311 + ... + 187418.

It is an arithmetic number, because the mean of its divisors is an integer number (2810475).

Almost surely, 2^20235366 is an apocalyptic number.

20235366 is an abundant number, since it is smaller than the sum of its proper divisors (24732234).

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

20235366 is a wasteful number, since it uses less digits than its factorization.

20235366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374740 (or 374734 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 20235366 is about 4498.3737061298. The cubic root of 20235366 is about 272.5024144779.

Adding to 20235366 its reverse (66353202), we get a palindrome (86588568).

The spelling of 20235366 in words is "twenty million, two hundred thirty-five thousand, three hundred sixty-six".