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2220120300 = 2235271104231
BaseRepresentation
bin1000010001010100…
…0101100011101100
312201201112210111210
42010111011203230
514021322322200
61004144514420
7106005465636
oct20425054354
95651483453
102220120300
11a3a222272
1251b61ba10
13294c57768
14170bd7a56
15ced93650
hex845458ec

2220120300 has 72 divisors (see below), whose sum is σ = 6514083072. Its totient is φ = 583688000.

The previous prime is 2220120299. The next prime is 2220120307. The reversal of 2220120300 is 30210222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2220120307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30816 + ... + 73415.

It is an arithmetic number, because the mean of its divisors is an integer number (90473376).

Almost surely, 22220120300 is an apocalyptic number.

2220120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220120300 is an abundant number, since it is smaller than the sum of its proper divisors (4293962772).

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

2220120300 is a wasteful number, since it uses less digits than its factorization.

2220120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104319 (or 104312 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2220120300 is about 47118.1525529174. The cubic root of 2220120300 is about 1304.5443132354.

Adding to 2220120300 its reverse (30210222), we get a palindrome (2250330522).

The spelling of 2220120300 in words is "two billion, two hundred twenty million, one hundred twenty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 71 75 100 142 150 213 284 300 355 426 710 852 1065 1420 1775 2130 3550 4260 5325 7100 10650 21300 104231 208462 312693 416924 521155 625386 1042310 1250772 1563465 2084620 2605775 3126930 5211550 6253860 7400401 7817325 10423100 14800802 15634650 22201203 29601604 31269300 37002005 44402406 74004010 88804812 111006015 148008020 185010025 222012030 370020050 444024060 555030075 740040100 1110060150 2220120300