20263106 has 16 divisors (see below), whose sum is σ = 30958200. Its totient is φ = 9945600.

The previous prime is 20263097. The next prime is 20263109. The reversal of 20263106 is 60136202.

It can be written as a sum of positive squares in 4 ways, for example, as 16687225 + 3575881 = 4085^2 + 1891^2 .

It is not an unprimeable number, because it can be changed into a prime (20263109) 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, 28556 + ... + 29256.

Almost surely, 2^20263106 is an apocalyptic number.

20263106 is a deficient number, since it is larger than the sum of its proper divisors (10695094).

20263106 is a wasteful number, since it uses less digits than its factorization.

20263106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20263106 is about 4501.4559866781. The cubic root of 20263106 is about 272.6268791632.

Adding to 20263106 its reverse (60136202), we get a palindrome (80399308).

The spelling of 20263106 in words is "twenty million, two hundred sixty-three thousand, one hundred six".