20113366 has 24 divisors (see below), whose sum is σ = 37340784. Its totient is φ = 7956000.

The previous prime is 20113337. The next prime is 20113367. The reversal of 20113366 is 66331102.

20113366 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1885 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (1555866).

Almost surely, 2^20113366 is an apocalyptic number.

20113366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20113366 is a deficient number, since it is larger than the sum of its proper divisors (17227418).

20113366 is a wasteful number, since it uses less digits than its factorization.

20113366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 8523 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20113366 is about 4484.7927488347. The cubic root of 20113366 is about 271.9536667763.

Adding to 20113366 its reverse (66331102), we get a palindrome (86444468).

The spelling of 20113366 in words is "twenty million, one hundred thirteen thousand, three hundred sixty-six".