20105035 has 8 divisors (see below), whose sum is σ = 24219360. Its totient is φ = 16021824.

The previous prime is 20105009. The next prime is 20105039. The reversal of 20105035 is 53050102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20105035 - 2¹⁵ = 20072267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20105039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6330 + ... + 8959.

It is an arithmetic number, because the mean of its divisors is an integer number (3027420).

Almost surely, 2^20105035 is an apocalyptic number.

20105035 is a deficient number, since it is larger than the sum of its proper divisors (4114325).

20105035 is a wasteful number, since it uses less digits than its factorization.

20105035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 20105035 is about 4483.8638471747. The cubic root of 20105035 is about 271.9161136573.

Adding to 20105035 its reverse (53050102), we get a palindrome (73155137).

The spelling of 20105035 in words is "twenty million, one hundred five thousand, thirty-five".