20107073 has 16 divisors (see below), whose sum is σ = 25614720. Its totient is φ = 15365376.

The previous prime is 20107067. The next prime is 20107091. The reversal of 20107073 is 37070102.

It is not a de Polignac number, because 20107073 - 2¹⁴ = 20090689 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 (20107093) 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, 2186 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (1600920).

Almost surely, 2^20107073 is an apocalyptic number.

It is an amenable number.

20107073 is a deficient number, since it is larger than the sum of its proper divisors (5507647).

20107073 is a wasteful number, since it uses less digits than its factorization.

20107073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 20107073 is about 4484.0911007695. The cubic root of 20107073 is about 271.9253011787.

Adding to 20107073 its reverse (37070102), we get a palindrome (57177175).

The spelling of 20107073 in words is "twenty million, one hundred seven thousand, seventy-three".