20853226 has 16 divisors (see below), whose sum is σ = 32947200. Its totient is φ = 9879408.

The previous prime is 20853193. The next prime is 20853227. The reversal of 20853226 is 62235802.

It is a junction number, because it is equal to n+sod(n) for n = 20853194 and 20853203.

It is not an unprimeable number, because it can be changed into a prime (20853227) 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, 2935 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (2059200).

Almost surely, 2^20853226 is an apocalyptic number.

20853226 is a deficient number, since it is larger than the sum of its proper divisors (12093974).

20853226 is a wasteful number, since it uses less digits than its factorization.

20853226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20853226 is about 4566.5332583920. The cubic root of 20853226 is about 275.2481550653.

The spelling of 20853226 in words is "twenty million, eight hundred fifty-three thousand, two hundred twenty-six".