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2022220020020 = 225101111001001

2022220020020 has 12 divisors (see below), whose sum is σ = 4246662042084. Its totient is φ = 808888008000.

The previous prime is 2022220020011. The next prime is 2022220020043. The reversal of 2022220020020 is 200200222202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1161993449764 + 860226570256 = 1077958^2 + 927484^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2022220019977 and 2022220020004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50555500481 + ... + 50555500520.

It is an arithmetic number, because the mean of its divisors is an integer number (353888503507).

Almost surely, 22022220020020 is an apocalyptic number.

2022220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022220020020 is an abundant number, since it is smaller than the sum of its proper divisors (2224442022064).

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

2022220020020 is a wasteful number, since it uses less digits than its factorization.

2022220020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111001010 (or 101111001008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2022220020020 its reverse (200200222202), we get a palindrome (2222420242222).

The spelling of 2022220020020 in words is "two trillion, twenty-two billion, two hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 101111001001 202222002002 404444004004 505555005005 1011110010010 2022220020020