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11022220220 = 2251150101001
BaseRepresentation
bin10100100001111100…
…11011101110111100
31001110011020210122112
422100332123232330
5140033142021340
65021420233152
7540066216554
oct122076335674
931404223575
1011022220220
114746835210
12217739b7b8
1310687074cb
14767c16164
154479cd065
hex290f9bbbc

11022220220 has 24 divisors (see below), whose sum is σ = 25250905008. Its totient is φ = 4008080000.

The previous prime is 11022220217. The next prime is 11022220243. The reversal of 11022220220 is 2202222011.

It is a junction number, because it is equal to n+sod(n) for n = 11022220195 and 11022220204.

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, 25050281 + ... + 25050720.

It is an arithmetic number, because the mean of its divisors is an integer number (1052121042).

Almost surely, 211022220220 is an apocalyptic number.

11022220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022220220 is an abundant number, since it is smaller than the sum of its proper divisors (14228684788).

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

11022220220 is a wasteful number, since it uses less digits than its factorization.

11022220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50101021 (or 50101019 counting only the distinct ones).

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

Adding to 11022220220 its reverse (2202222011), we get a palindrome (13224442231).

The spelling of 11022220220 in words is "eleven billion, twenty-two million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50101001 100202002 200404004 250505005 501010010 551111011 1002020020 1102222022 2204444044 2755555055 5511110110 11022220220