20802226 has 16 divisors (see below), whose sum is σ = 33300000. Its totient is φ = 9717408.

The previous prime is 20802167. The next prime is 20802233. The reversal of 20802226 is 62220802.

It is a junction number, because it is equal to n+sod(n) for n = 20802197 and 20802206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (2081250).

Almost surely, 2^20802226 is an apocalyptic number.

20802226 is a deficient number, since it is larger than the sum of its proper divisors (12497774).

20802226 is a wasteful number, since it uses less digits than its factorization.

20802226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20802226 is about 4560.9457352615. The cubic root of 20802226 is about 275.0235836524.

The spelling of 20802226 in words is "twenty million, eight hundred two thousand, two hundred twenty-six".