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11020222220 = 2257622912637
BaseRepresentation
bin10100100001101101…
…10011111100001100
31001110000111021220112
422100312303330030
5140032134102340
65021305335152
7540043225520
oct122066637414
931400437815
1011020222220
1147456a0077
1221767974b8
131068187c67
14767855d80
15447736065
hex290db3f0c

11020222220 has 48 divisors (see below), whose sum is σ = 26454872640. Its totient is φ = 3777456384.

The previous prime is 11020222177. The next prime is 11020222259. The reversal of 11020222220 is 2222202011.

11020222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11020222195 and 11020222204.

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, 865742 + ... + 878378.

It is an arithmetic number, because the mean of its divisors is an integer number (551143180).

Almost surely, 211020222220 is an apocalyptic number.

11020222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020222220 is an abundant number, since it is smaller than the sum of its proper divisors (15434650420).

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

11020222220 is a wasteful number, since it uses less digits than its factorization.

11020222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18882 (or 18880 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11020222220 its reverse (2222202011), we get a palindrome (13242424231).

The spelling of 11020222220 in words is "eleven billion, twenty million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 6229 12458 12637 24916 25274 31145 43603 50548 62290 63185 87206 88459 124580 126370 174412 176918 218015 252740 353836 436030 442295 872060 884590 1769180 78715873 157431746 314863492 393579365 551011111 787158730 1102022222 1574317460 2204044444 2755055555 5510111110 11020222220