20463226 has 8 divisors (see below), whose sum is σ = 35079840. Its totient is φ = 8769948.

The previous prime is 20463221. The next prime is 20463229. The reversal of 20463226 is 62236402.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20463226.

It is not an unprimeable number, because it can be changed into a prime (20463221) 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, 730816 + ... + 730843.

It is an arithmetic number, because the mean of its divisors is an integer number (4384980).

Almost surely, 2^20463226 is an apocalyptic number.

20463226 is a deficient number, since it is larger than the sum of its proper divisors (14616614).

20463226 is a wasteful number, since it uses less digits than its factorization.

20463226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461668.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20463226 is about 4523.6297372796. The cubic root of 20463226 is about 273.5214353980.

Adding to 20463226 its reverse (62236402), we get a palindrome (82699628).

The spelling of 20463226 in words is "twenty million, four hundred sixty-three thousand, two hundred twenty-six".