20514226 has 4 divisors (see below), whose sum is σ = 30771342. Its totient is φ = 10257112.

The previous prime is 20514191. The next prime is 20514251. The reversal of 20514226 is 62241502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62241502 = 2 ⋅31120751.

It can be written as a sum of positive squares in only one way, i.e., 20025625 + 488601 = 4475^2 + 699^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20514197 and 20514206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128555 + ... + 5128558.

Almost surely, 2^20514226 is an apocalyptic number.

20514226 is a deficient number, since it is larger than the sum of its proper divisors (10257116).

20514226 is a wasteful number, since it uses less digits than its factorization.

20514226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257115.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20514226 is about 4529.2632955040. The cubic root of 20514226 is about 273.7484771570.

Adding to 20514226 its reverse (62241502), we get a palindrome (82755728).

The spelling of 20514226 in words is "twenty million, five hundred fourteen thousand, two hundred twenty-six".