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2220202120 = 235550710079
BaseRepresentation
bin1000010001010101…
…1001100010001000
312201201200221202011
42010111121202020
514021332431440
61004150345304
7106006256323
oct20425314210
95651627664
102220202120
11a3a278794
1251b65b234
13294c85a86
14170c197ba
15cedac9ea
hex84559888

2220202120 has 32 divisors (see below), whose sum is σ = 4996857600. Its totient is φ = 887831488.

The previous prime is 2220202093. The next prime is 2220202129. The reversal of 2220202120 is 212020222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220202120.

It is not an unprimeable number, because it can be changed into a prime (2220202129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215241 + ... + 225319.

It is an arithmetic number, because the mean of its divisors is an integer number (156151800).

Almost surely, 22220202120 is an apocalyptic number.

2220202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220202120 is an abundant number, since it is smaller than the sum of its proper divisors (2776655480).

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

2220202120 is a wasteful number, since it uses less digits than its factorization.

2220202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597 (or 15593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2220202120 is about 47119.0207877880. The cubic root of 2220202120 is about 1304.5603388692.

Adding to 2220202120 its reverse (212020222), we get a palindrome (2432222342).

The spelling of 2220202120 in words is "two billion, two hundred twenty million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5507 10079 11014 20158 22028 27535 40316 44056 50395 55070 80632 100790 110140 201580 220280 403160 55505053 111010106 222020212 277525265 444040424 555050530 1110101060 2220202120