20030001222 has 128 divisors (see below), whose sum is σ = 52971356160. Its totient is φ = 4888373760.

The previous prime is 20030001221. The next prime is 20030001253. The reversal of 20030001222 is 22210003002.

It is a junction number, because it is equal to n+sod(n) for n = 20030001198 and 20030001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030001221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5645253 + ... + 5648799.

It is an arithmetic number, because the mean of its divisors is an integer number (413838720).

Almost surely, 2^20030001222 is an apocalyptic number.

20030001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030001222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26485678080).

20030001222 is an abundant number, since it is smaller than the sum of its proper divisors (32941354938).

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

20030001222 is a wasteful number, since it uses less digits than its factorization.

20030001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306.

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

Adding to 20030001222 its reverse (22210003002), we get a palindrome (42240004224).

The spelling of 20030001222 in words is "twenty billion, thirty million, one thousand, two hundred twenty-two".