20368222 has 24 divisors (see below), whose sum is σ = 35708904. Its totient is φ = 8687952.

The previous prime is 20368219. The next prime is 20368223. The reversal of 20368222 is 22286302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29748 + ... + 30424.

It is an arithmetic number, because the mean of its divisors is an integer number (1487871).

Almost surely, 2^20368222 is an apocalyptic number.

20368222 is a deficient number, since it is larger than the sum of its proper divisors (15340682).

20368222 is a wasteful number, since it uses less digits than its factorization.

20368222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20368222 is about 4513.1166614658. The cubic root of 20368222 is about 273.0974887415.

The spelling of 20368222 in words is "twenty million, three hundred sixty-eight thousand, two hundred twenty-two".