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2022030220 = 2257291393583
BaseRepresentation
bin111100010000101…
…1011101110001100
312012220210210000011
41320201123232030
513120114431340
6532351043004
7101051654560
oct17041335614
95186723004
102022030220
11948424261
12485210464
13262bbb8b2
141527916a0
15bc7b50ea
hex7885bb8c

2022030220 has 96 divisors (see below), whose sum is σ = 5057740800. Its totient is φ = 664360704.

The previous prime is 2022030209. The next prime is 2022030221. The reversal of 2022030220 is 220302202.

It is a self number, because there is not a number n which added to its sum of digits gives 2022030220.

It is not an unprimeable number, because it can be changed into a prime (2022030221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562549 + ... + 566131.

It is an arithmetic number, because the mean of its divisors is an integer number (52684800).

Almost surely, 22022030220 is an apocalyptic number.

2022030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528870400).

2022030220 is an abundant number, since it is smaller than the sum of its proper divisors (3035710580).

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

2022030220 is a wasteful number, since it uses less digits than its factorization.

2022030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2022030220 is about 44966.9903373575. The cubic root of 2022030220 is about 1264.5302238928.

Adding to 2022030220 its reverse (220302202), we get a palindrome (2242332422).

The spelling of 2022030220 in words is "two billion, twenty-two million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 139 140 145 203 278 290 406 556 580 695 812 973 1015 1390 1946 2030 2780 3583 3892 4031 4060 4865 7166 8062 9730 14332 16124 17915 19460 20155 25081 28217 35830 40310 50162 56434 71660 80620 100324 103907 112868 125405 141085 207814 250810 282170 415628 498037 501620 519535 564340 727349 996074 1039070 1454698 1992148 2078140 2490185 2909396 3486259 3636745 4980370 6972518 7273490 9960740 13945036 14443073 14546980 17431295 28886146 34862590 57772292 69725180 72215365 101101511 144430730 202203022 288861460 404406044 505507555 1011015110 2022030220