20012202012222 has 48 divisors (see below), whose sum is σ = 49554448500960. Its totient is φ = 5717723026176.

The previous prime is 20012202012217. The next prime is 20012202012241. The reversal of 20012202012222 is 22221020221002.

20012202012222 is a `hidden beast` number, since 20 + 0 + 1 + 220 + 201 + 2 + 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 = 20012202012195 and 20012202012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15634338 + ... + 16865850.

It is an arithmetic number, because the mean of its divisors is an integer number (1032384343770).

Almost surely, 2^{20012202012222} is an apocalyptic number.

20012202012222 is an abundant number, since it is smaller than the sum of its proper divisors (29542246488738).

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

20012202012222 is a wasteful number, since it uses less digits than its factorization.

20012202012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360497 (or 1360494 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20012202012222 its reverse (22221020221002), we get a palindrome (42233222233224).

The spelling of 20012202012222 in words is "twenty trillion, twelve billion, two hundred two million, twelve thousand, two hundred twenty-two".