20260222 has 16 divisors (see below), whose sum is σ = 30908592. Its totient is φ = 9959040.

The previous prime is 20260211. The next prime is 20260237. The reversal of 20260222 is 22206202.

It is a junction number, because it is equal to n+sod(n) for n = 20260196 and 20260205.

It is a congruent number.

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, 35197 + ... + 35767.

It is an arithmetic number, because the mean of its divisors is an integer number (1931787).

Almost surely, 2^20260222 is an apocalyptic number.

20260222 is a deficient number, since it is larger than the sum of its proper divisors (10648370).

20260222 is a wasteful number, since it uses less digits than its factorization.

20260222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20260222 is about 4501.1356344816. The cubic root of 20260222 is about 272.6139444363.

Adding to 20260222 its reverse (22206202), we get a palindrome (42466424).

The spelling of 20260222 in words is "twenty million, two hundred sixty thousand, two hundred twenty-two".