20352106 has 16 divisors (see below), whose sum is σ = 31428648. Its totient is φ = 9880000.

The previous prime is 20352083. The next prime is 20352107. The reversal of 20352106 is 60125302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19280881 + 1071225 = 4391^2 + 1035^2 .

It is not an unprimeable number, because it can be changed into a prime (20352107) 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, 9756 + ... + 11656.

Almost surely, 2^20352106 is an apocalyptic number.

20352106 is a deficient number, since it is larger than the sum of its proper divisors (11076542).

20352106 is a wasteful number, since it uses less digits than its factorization.

20352106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

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

The square root of 20352106 is about 4511.3308457705. The cubic root of 20352106 is about 273.0254418631.

Adding to 20352106 its reverse (60125302), we get a palindrome (80477408).

The spelling of 20352106 in words is "twenty million, three hundred fifty-two thousand, one hundred six".