20010002322222 has 48 divisors (see below), whose sum is σ = 47301790273920. Its totient is φ = 6062942048400.

The previous prime is 20010002322203. The next prime is 20010002322223. The reversal of 20010002322222 is 22222320001002.

20010002322222 is a `hidden beast` number, since 20 + 0 + 100 + 0 + 2 + 322 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20010002322195 and 20010002322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010002322223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4058722 + ... + 7516197.

It is an arithmetic number, because the mean of its divisors is an integer number (985453964040).

Almost surely, 2^{20010002322222} is an apocalyptic number.

20010002322222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010002322222 is an abundant number, since it is smaller than the sum of its proper divisors (27291787951698).

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

20010002322222 is a wasteful number, since it uses less digits than its factorization.

20010002322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583669 (or 11583666 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20010002322222 its reverse (22222320001002), we get a palindrome (42232322323224).

The spelling of 20010002322222 in words is "twenty trillion, ten billion, two million, three hundred twenty-two thousand, two hundred twenty-two".