20235106 has 4 divisors (see below), whose sum is σ = 30352662. Its totient is φ = 10117552.

The previous prime is 20235097. The next prime is 20235107. The reversal of 20235106 is 60153202.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 654481 = 4425^2 + 809^2 .

It is not an unprimeable number, because it can be changed into a prime (20235107) 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 as a sum of consecutive naturals, namely, 5058775 + ... + 5058778.

Almost surely, 2^20235106 is an apocalyptic number.

20235106 is a deficient number, since it is larger than the sum of its proper divisors (10117556).

20235106 is a wasteful number, since it uses less digits than its factorization.

20235106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117555.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20235106 is about 4498.3448067039. The cubic root of 20235106 is about 272.5012473640.

Adding to 20235106 its reverse (60153202), we get a palindrome (80388308).

The spelling of 20235106 in words is "twenty million, two hundred thirty-five thousand, one hundred six".