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11020220 = 2252323957
BaseRepresentation
bin101010000010…
…011110111100
3202201212220022
4222002132330
510310121340
61032111312
7162445631
oct52023674
922655808
1011020220
116247722
123835538
13238b053
14166c188
15e7a3b5
hexa827bc

11020220 has 24 divisors (see below), whose sum is σ = 24149664. Its totient is φ = 4216256.

The previous prime is 11020213. The next prime is 11020241. The reversal of 11020220 is 2202011.

11020220 = T250 + T251 + ... + T433.

11020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11020198 and 11020207.

It is a congruent number.

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, 11519 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 211020220 is an apocalyptic number.

11020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020220 is an abundant number, since it is smaller than the sum of its proper divisors (13129444).

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

11020220 is a wasteful number, since it uses less digits than its factorization.

11020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989 (or 23987 counting only the distinct ones).

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

The square root of 11020220 is about 3319.6716705120. The cubic root of 11020220 is about 222.5341949717.

Adding to 11020220 its reverse (2202011), we get a palindrome (13222231).

The spelling of 11020220 in words is "eleven million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 23957 47914 95828 119785 239570 479140 551011 1102022 2204044 2755055 5510110 11020220