20363105 has 16 divisors (see below), whose sum is σ = 28118784. Its totient is φ = 13867200.

The previous prime is 20363099. The next prime is 20363107. The reversal of 20363105 is 50136302.

It is not a de Polignac number, because 20363105 - 2⁴ = 20363089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20363107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3359 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (1757424).

Almost surely, 2^20363105 is an apocalyptic number.

It is an amenable number.

20363105 is a deficient number, since it is larger than the sum of its proper divisors (7755679).

20363105 is a wasteful number, since it uses less digits than its factorization.

20363105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 20363105 is about 4512.5497227177. The cubic root of 20363105 is about 273.0746172166.

Adding to 20363105 its reverse (50136302), we get a palindrome (70499407).

The spelling of 20363105 in words is "twenty million, three hundred sixty-three thousand, one hundred five".