20435106 has 16 divisors (see below), whose sum is σ = 41108544. Its totient is φ = 6771984.

The previous prime is 20435101. The next prime is 20435117. The reversal of 20435106 is 60153402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20435101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8806 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (2569284).

Almost surely, 2^20435106 is an apocalyptic number.

20435106 is an abundant number, since it is smaller than the sum of its proper divisors (20673438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20435106 is a wasteful number, since it uses less digits than its factorization.

20435106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19865.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20435106 is about 4520.5205452470. The cubic root of 20435106 is about 273.3960894307.

Adding to 20435106 its reverse (60153402), we get a palindrome (80588508).

The spelling of 20435106 in words is "twenty million, four hundred thirty-five thousand, one hundred six".