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201102222220 = 22583304939733
BaseRepresentation
bin1011101101001010100…
…0000110001110001100
3201020002011022101010121
42323102220012032030
511243324132102340
6232215102314324
720346333453604
oct2732250061614
9636064271117
10201102222220
1178317a64059
1232b848889a4
1315c6b79a483
149a3a63bc04
1553700e894a
hex2ed2a0638c

201102222220 has 48 divisors (see below), whose sum is σ = 427553733600. Its totient is φ = 79443657216.

The previous prime is 201102222199. The next prime is 201102222271. The reversal of 201102222220 is 22222201102.

It is a junction number, because it is equal to n+sod(n) for n = 201102222194 and 201102222203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5041474 + ... + 5081206.

It is an arithmetic number, because the mean of its divisors is an integer number (8907369450).

Almost surely, 2201102222220 is an apocalyptic number.

201102222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102222220 is an abundant number, since it is smaller than the sum of its proper divisors (226451511380).

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

201102222220 is a wasteful number, since it uses less digits than its factorization.

201102222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42874 (or 42872 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201102222220 its reverse (22222201102), we get a palindrome (223324423322).

The spelling of 201102222220 in words is "two hundred one billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 3049 6098 12196 15245 30490 39733 60980 79466 158932 198665 253067 397330 506134 794660 1012268 1265335 2530670 3297839 5061340 6595678 13191356 16489195 32978390 65956780 121145917 242291834 484583668 605729585 1211459170 2422918340 10055111111 20110222222 40220444444 50275555555 100551111110 201102222220