20112022222220 has 48 divisors (see below), whose sum is σ = 45211682476800. Its totient is φ = 7492221650880.

The previous prime is 20112022222219. The next prime is 20112022222241. The reversal of 20112022222220 is 2222222021102.

It is a super-3 number, since 3×20112022222220³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20112022222192 and 20112022222201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448506176 + ... + 448551015.

It is an arithmetic number, because the mean of its divisors is an integer number (941910051600).

Almost surely, 2^{20112022222220} is an apocalyptic number.

20112022222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112022222220 is an abundant number, since it is smaller than the sum of its proper divisors (25099660254580).

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

20112022222220 is a wasteful number, since it uses less digits than its factorization.

20112022222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897057278 (or 897057276 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20112022222220 its reverse (2222222021102), we get a palindrome (22334244243322).

The spelling of 20112022222220 in words is "twenty trillion, one hundred twelve billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty".