20237107 has 4 divisors (see below), whose sum is σ = 22076856. Its totient is φ = 18397360.

The previous prime is 20237101. The next prime is 20237111. The reversal of 20237107 is 70173202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20237107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20237101) 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 3 ways as a sum of consecutive naturals, for example, 919858 + ... + 919879.

It is an arithmetic number, because the mean of its divisors is an integer number (5519214).

Almost surely, 2^20237107 is an apocalyptic number.

20237107 is a deficient number, since it is larger than the sum of its proper divisors (1839749).

20237107 is a wasteful number, since it uses less digits than its factorization.

20237107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839748.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 20237107 is about 4498.5672163479. The cubic root of 20237107 is about 272.5102293946.

The spelling of 20237107 in words is "twenty million, two hundred thirty-seven thousand, one hundred seven".