20452226 has 4 divisors (see below), whose sum is σ = 30678342. Its totient is φ = 10226112.

The previous prime is 20452217. The next prime is 20452247. The reversal of 20452226 is 62225402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 8994001 = 3385^2 + 2999^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113055 + ... + 5113058.

Almost surely, 2^20452226 is an apocalyptic number.

20452226 is a deficient number, since it is larger than the sum of its proper divisors (10226116).

20452226 is a wasteful number, since it uses less digits than its factorization.

20452226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226115.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20452226 is about 4522.4137360485. The cubic root of 20452226 is about 273.4724161627.

Adding to 20452226 its reverse (62225402), we get a palindrome (82677628).

The spelling of 20452226 in words is "twenty million, four hundred fifty-two thousand, two hundred twenty-six".