20049226 has 8 divisors (see below), whose sum is σ = 30230244. Its totient is φ = 9972480.

The previous prime is 20049217. The next prime is 20049229. The reversal of 20049226 is 62294002.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 3606201 = 4055^2 + 1899^2 .

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 20049226.

It is not an unprimeable number, because it can be changed into a prime (20049229) 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 in 3 ways as a sum of consecutive naturals, for example, 25585 + ... + 26356.

Almost surely, 2^20049226 is an apocalyptic number.

20049226 is a deficient number, since it is larger than the sum of its proper divisors (10181018).

20049226 is a wasteful number, since it uses less digits than its factorization.

20049226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52136.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20049226 is about 4477.6362067502. The cubic root of 20049226 is about 271.6642790678.

The spelling of 20049226 in words is "twenty million, forty-nine thousand, two hundred twenty-six".