20526106 has 16 divisors (see below), whose sum is σ = 32688360. Its totient is φ = 9633280.

The previous prime is 20526071. The next prime is 20526151. The reversal of 20526106 is 60162502.

It can be written as a sum of positive squares in 4 ways, for example, as 18139081 + 2387025 = 4259^2 + 1545^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18816 + ... + 19876.

Almost surely, 2^20526106 is an apocalyptic number.

20526106 is a deficient number, since it is larger than the sum of its proper divisors (12162254).

20526106 is a wasteful number, since it uses less digits than its factorization.

20526106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20526106 is about 4530.5745772473. The cubic root of 20526106 is about 273.8013104823.

Adding to 20526106 its reverse (60162502), we get a palindrome (80688608).

The spelling of 20526106 in words is "twenty million, five hundred twenty-six thousand, one hundred six".