20262026 has 16 divisors (see below), whose sum is σ = 31064904. Its totient is φ = 9909504.

The previous prime is 20262019. The next prime is 20262049. The reversal of 20262026 is 62026202.

It can be written as a sum of positive squares in 4 ways, for example, as 12145225 + 8116801 = 3485^2 + 2849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20261989 and 20262007.

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, 19496 + ... + 20508.

Almost surely, 2^20262026 is an apocalyptic number.

20262026 is a deficient number, since it is larger than the sum of its proper divisors (10802878).

20262026 is a wasteful number, since it uses less digits than its factorization.

20262026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20262026 is about 4501.3360238934. The cubic root of 20262026 is about 272.6220355118.

Adding to 20262026 its reverse (62026202), we get a palindrome (82288228).

The spelling of 20262026 in words is "twenty million, two hundred sixty-two thousand, twenty-six".