20046105 has 24 divisors (see below), whose sum is σ = 35947080. Its totient is φ = 10321920.

The previous prime is 20046101. The next prime is 20046107. The reversal of 20046105 is 50164002.

It is a happy number.

20046105 is a `hidden beast` number, since 200 + 461 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4173849 + 15872256 = 2043^2 + 3984^2 .

It is not a de Polignac number, because 20046105 - 2² = 20046101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20046101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6376 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (1497795).

Almost surely, 2^20046105 is an apocalyptic number.

It is an amenable number.

20046105 is a deficient number, since it is larger than the sum of its proper divisors (15900975).

20046105 is a wasteful number, since it uses less digits than its factorization.

20046105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401 (or 15398 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20046105 is about 4477.2876834083. The cubic root of 20046105 is about 271.6501819615.

The spelling of 20046105 in words is "twenty million, forty-six thousand, one hundred five".