20112002220222 has 72 divisors (see below), whose sum is σ = 47898891226368. Its totient is φ = 6094380821760.

The previous prime is 20112002220221. The next prime is 20112002220251. The reversal of 20112002220222 is 22202220021102.

20112002220222 is a `hidden beast` number, since 20 + 1 + 1 + 200 + 2 + 220 + 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 = 20112002220195 and 20112002220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112002220221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97748238 + ... + 97953774.

It is an arithmetic number, because the mean of its divisors is an integer number (665262378144).

Almost surely, 2^{20112002220222} is an apocalyptic number.

20112002220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112002220222 is an abundant number, since it is smaller than the sum of its proper divisors (27786889006146).

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

20112002220222 is a wasteful number, since it uses less digits than its factorization.

20112002220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250494 (or 250480 counting only the distinct ones).

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

Adding to 20112002220222 its reverse (22202220021102), we get a palindrome (42314222241324).

The spelling of 20112002220222 in words is "twenty trillion, one hundred twelve billion, two million, two hundred twenty thousand, two hundred twenty-two".