20041426 has 4 divisors (see below), whose sum is σ = 30062142. Its totient is φ = 10020712.

The previous prime is 20041423. The next prime is 20041433. The reversal of 20041426 is 62414002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15610401 + 4431025 = 3951^2 + 2105^2 .

It is a super-2 number, since 2×20041426² = 803317512226952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20041423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010355 + ... + 5010358.

Almost surely, 2^20041426 is an apocalyptic number.

20041426 is a deficient number, since it is larger than the sum of its proper divisors (10020716).

20041426 is a wasteful number, since it uses less digits than its factorization.

20041426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020715.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20041426 is about 4476.7651267405. The cubic root of 20041426 is about 271.6290448527.

Adding to 20041426 its reverse (62414002), we get a palindrome (82455428).

The spelling of 20041426 in words is "twenty million, forty-one thousand, four hundred twenty-six".