20776226 has 8 divisors (see below), whose sum is σ = 31204764. Its totient is φ = 10374640.

The previous prime is 20776219. The next prime is 20776229. The reversal of 20776226 is 62267702.

It can be written as a sum of positive squares in 2 ways, for example, as 16362025 + 4414201 = 4045^2 + 2101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20776192 and 20776201.

It is not an unprimeable number, because it can be changed into a prime (20776229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685 + ... + 7968.

Almost surely, 2^20776226 is an apocalyptic number.

20776226 is a deficient number, since it is larger than the sum of its proper divisors (10428538).

20776226 is a wasteful number, since it uses less digits than its factorization.

20776226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 20776226 is about 4558.0945580363. The cubic root of 20776226 is about 274.9089549848.

The spelling of 20776226 in words is "twenty million, seven hundred seventy-six thousand, two hundred twenty-six".