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11220134020 = 2251035446667
BaseRepresentation
bin10100111001100010…
…11010100010000100
31001221221122212100021
422130301122202010
5140434323242040
65053210224524
7545021364664
oct123461324204
931857585307
1011220134020
114838522837
122211725144
13109a711074
147862141a4
1545a07424a
hex29cc5a884

11220134020 has 24 divisors (see below), whose sum is σ = 23791045824. Its totient is φ = 4444479456.

The previous prime is 11220133961. The next prime is 11220134021. The reversal of 11220134020 is 2043102211.

It is a super-2 number, since 2×112201340202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220133985 and 11220134003.

It is not an unprimeable number, because it can be changed into a prime (11220134021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721274 + ... + 2725393.

It is an arithmetic number, because the mean of its divisors is an integer number (991293576).

Almost surely, 211220134020 is an apocalyptic number.

11220134020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220134020 is an abundant number, since it is smaller than the sum of its proper divisors (12570911804).

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

11220134020 is a wasteful number, since it uses less digits than its factorization.

11220134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446779 (or 5446777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220134020 its reverse (2043102211), we get a palindrome (13263236231).

The spelling of 11220134020 in words is "eleven billion, two hundred twenty million, one hundred thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 5446667 10893334 21786668 27233335 54466670 108933340 561006701 1122013402 2244026804 2805033505 5610067010 11220134020