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2222022220120 = 23555550555503
BaseRepresentation
bin100000010101011010110…
…110000101100101011000
321212102102112211020012201
4200111122312011211120
5242401200142020440
64420441035415544
7316351532144323
oct40253266054530
97772375736181
102222022220120
117873996849aa
122ba7868b45b4
131316c71b5311
14797916577ba
153cbee9be19a
hex2055ad85958

2222022220120 has 16 divisors (see below), whose sum is σ = 4999549995360. Its totient is φ = 888808888032.

The previous prime is 2222022220063. The next prime is 2222022220127. The reversal of 2222022220120 is 210222202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222022220127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27775277712 + ... + 27775277791.

It is an arithmetic number, because the mean of its divisors is an integer number (312471874710).

Almost surely, 22222022220120 is an apocalyptic number.

2222022220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222022220120 is an abundant number, since it is smaller than the sum of its proper divisors (2777527775240).

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

2222022220120 is a wasteful number, since it uses less digits than its factorization.

2222022220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550555514 (or 55550555510 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2222022220120 its reverse (210222202222), we get a palindrome (2432244422342).

The spelling of 2222022220120 in words is "two trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 55550555503 111101111006 222202222012 277752777515 444404444024 555505555030 1111011110060 2222022220120