20243226 has 16 divisors (see below), whose sum is σ = 42868224. Its totient is φ = 6350784.

The previous prime is 20243219. The next prime is 20243233. The reversal of 20243226 is 62234202.

It is an interprime number because it is at equal distance from previous prime (20243219) and next prime (20243233).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99130 + ... + 99333.

It is an arithmetic number, because the mean of its divisors is an integer number (2679264).

Almost surely, 2^20243226 is an apocalyptic number.

20243226 is an abundant number, since it is smaller than the sum of its proper divisors (22624998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20243226 is a wasteful number, since it uses less digits than its factorization.

20243226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198485.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20243226 is about 4499.2472703776. The cubic root of 20243226 is about 272.5376925107.

Adding to 20243226 its reverse (62234202), we get a palindrome (82477428).

The spelling of 20243226 in words is "twenty million, two hundred forty-three thousand, two hundred twenty-six".