20368683 has 12 divisors (see below), whose sum is σ = 29463720. Its totient is φ = 13559616.

The previous prime is 20368661. The next prime is 20368723. The reversal of 20368683 is 38686302.

It is not a de Polignac number, because 20368683 - 2⁵ = 20368651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20368613) 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, 7960 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (2455310).

Almost surely, 2^20368683 is an apocalyptic number.

20368683 is a deficient number, since it is larger than the sum of its proper divisors (9095037).

20368683 is a wasteful number, since it uses less digits than its factorization.

20368683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20368683 is about 4513.1677345297. The cubic root of 20368683 is about 273.0995490914.

It can be divided in two parts, 203 and 68683, that added together give a palindrome (68886).

The spelling of 20368683 in words is "twenty million, three hundred sixty-eight thousand, six hundred eighty-three".