20364105 has 16 divisors (see below), whose sum is σ = 34297920. Its totient is φ = 10289088.

The previous prime is 20364103. The next prime is 20364109. The reversal of 20364105 is 50146302.

It is a happy number.

20364105 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 20364105 - 2¹ = 20364103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20364101) 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, 35442 + ... + 36011.

It is an arithmetic number, because the mean of its divisors is an integer number (2143620).

Almost surely, 2^20364105 is an apocalyptic number.

It is an amenable number.

20364105 is a deficient number, since it is larger than the sum of its proper divisors (13933815).

20364105 is a wasteful number, since it uses less digits than its factorization.

20364105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71480.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20364105 is about 4512.6605234606. The cubic root of 20364105 is about 273.0790872315.

The spelling of 20364105 in words is "twenty million, three hundred sixty-four thousand, one hundred five".