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200000002220 = 22567149253733
BaseRepresentation
bin1011101001000011101…
…1011101100010101100
3201010020100021210112122
42322100323131202230
511234100000032340
6231513450052112
720310120653324
oct2722073354254
9633210253478
10200000002220
1177901872937
123291771a038
1315b243201a5
1499740c2284
155308474db5
hex2e90edd8ac

200000002220 has 24 divisors (see below), whose sum is σ = 426268664304. Its totient is φ = 78805970496.

The previous prime is 200000002211. The next prime is 200000002231. The reversal of 200000002220 is 22200000002.

200000002220 is a modest number, since divided by 2220 gives 200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 200000002198 and 200000002207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74625527 + ... + 74628206.

It is an arithmetic number, because the mean of its divisors is an integer number (17761194346).

Almost surely, 2200000002220 is an apocalyptic number.

200000002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000002220 is an abundant number, since it is smaller than the sum of its proper divisors (226268662084).

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

200000002220 is a wasteful number, since it uses less digits than its factorization.

200000002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149253809 (or 149253807 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 200000002220 its reverse (22200000002), we get a palindrome (222200002222).

The spelling of 200000002220 in words is "two hundred billion, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 149253733 298507466 597014932 746268665 1492537330 2985074660 10000000111 20000000222 40000000444 50000000555 100000001110 200000002220