20040226 has 8 divisors (see below), whose sum is σ = 30793644. Its totient is φ = 9775680.

The previous prime is 20040221. The next prime is 20040227. The reversal of 20040226 is 62204002.

It can be written as a sum of positive squares in 2 ways, for example, as 19316025 + 724201 = 4395^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-5 number, since 5×20040226⁵ (a number of 38 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20040221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122115 + ... + 122278.

Almost surely, 2^20040226 is an apocalyptic number.

20040226 is a deficient number, since it is larger than the sum of its proper divisors (10753418).

20040226 is a wasteful number, since it uses less digits than its factorization.

20040226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244436.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20040226 is about 4476.6310993871. The cubic root of 20040226 is about 271.6236233928.

Adding to 20040226 its reverse (62204002), we get a palindrome (82244228).

The spelling of 20040226 in words is "twenty million, forty thousand, two hundred twenty-six".