20275226 has 4 divisors (see below), whose sum is σ = 30412842. Its totient is φ = 10137612.

The previous prime is 20275219. The next prime is 20275247. The reversal of 20275226 is 62257202.

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., 20241001 + 34225 = 4499^2 + 185^2 .

It is a super-2 number, since 2×20275226² = 822169578702152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20275195 and 20275204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068805 + ... + 5068808.

Almost surely, 2^20275226 is an apocalyptic number.

20275226 is a deficient number, since it is larger than the sum of its proper divisors (10137616).

20275226 is a wasteful number, since it uses less digits than its factorization.

20275226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137615.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20275226 is about 4502.8020165226. The cubic root of 20275226 is about 272.6812238953.

The spelling of 20275226 in words is "twenty million, two hundred seventy-five thousand, two hundred twenty-six".