20770226 has 16 divisors (see below), whose sum is σ = 33130296. Its totient is φ = 9732096.

The previous prime is 20770187. The next prime is 20770229. The reversal of 20770226 is 62207702.

It can be written as a sum of positive squares in 4 ways, for example, as 20748025 + 22201 = 4555^2 + 149^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20770195 and 20770204.

It is not an unprimeable number, because it can be changed into a prime (20770229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7550 + ... + 9926.

Almost surely, 2^20770226 is an apocalyptic number.

20770226 is a deficient number, since it is larger than the sum of its proper divisors (12360070).

20770226 is a wasteful number, since it uses less digits than its factorization.

20770226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20770226 is about 4557.4363407512. The cubic root of 20770226 is about 274.8824886359.

Adding to 20770226 its reverse (62207702), we get a palindrome (82977928).

The spelling of 20770226 in words is "twenty million, seven hundred seventy thousand, two hundred twenty-six".