20301222 has 8 divisors (see below), whose sum is σ = 40602456. Its totient is φ = 6767072.

The previous prime is 20301221. The next prime is 20301257. The reversal of 20301222 is 22210302.

It is a sphenic number, since it is the product of 3 distinct primes.

20301222 is an admirable number.

It is a super-2 number, since 2×20301222² = 824279229386568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20301198 and 20301207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691763 + ... + 1691774.

It is an arithmetic number, because the mean of its divisors is an integer number (5075307).

Almost surely, 2^20301222 is an apocalyptic number.

20301222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20301222 is a wasteful number, since it uses less digits than its factorization.

20301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383542.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20301222 is about 4505.6877388474. The cubic root of 20301222 is about 272.7977140671.

Adding to 20301222 its reverse (22210302), we get a palindrome (42511524).

The spelling of 20301222 in words is "twenty million, three hundred one thousand, two hundred twenty-two".