20000022112220 has 48 divisors (see below), whose sum is σ = 43368194150400. Its totient is φ = 7739567703360.

The previous prime is 20000022112219. The next prime is 20000022112223. The reversal of 20000022112220 is 2221122000002.

It is a junction number, because it is equal to n+sod(n) for n = 20000022112195 and 20000022112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000022112223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928500 + ... + 6969659.

It is an arithmetic number, because the mean of its divisors is an integer number (903504044800).

Almost surely, 2^{20000022112220} is an apocalyptic number.

20000022112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000022112220 is an abundant number, since it is smaller than the sum of its proper divisors (23368172038180).

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

20000022112220 is a wasteful number, since it uses less digits than its factorization.

20000022112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901458 (or 9901456 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20000022112220 its reverse (2221122000002), we get a palindrome (22221144112222).

The spelling of 20000022112220 in words is "twenty trillion, twenty-two million, one hundred twelve thousand, two hundred twenty".