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11200422020 = 2251459383839
BaseRepresentation
bin10100110111001100…
…01110000010000100
31001220120120101120012
422123212032002010
5140414302001040
65051223525352
7544362005414
oct123346160204
931816511505
1011200422020
114828389927
122206bb9858
1310965cba68
14783762644
1545847d865
hex29b98e084

11200422020 has 24 divisors (see below), whose sum is σ = 23537068800. Its totient is φ = 4477086432.

The previous prime is 11200422019. The next prime is 11200422061. The reversal of 11200422020 is 2022400211.

It is a super-2 number, since 2×112004220202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200421986 and 11200422004.

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, 162740 + ... + 221099.

It is an arithmetic number, because the mean of its divisors is an integer number (980711200).

Almost surely, 211200422020 is an apocalyptic number.

11200422020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200422020 is an abundant number, since it is smaller than the sum of its proper divisors (12336646780).

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

11200422020 is a wasteful number, since it uses less digits than its factorization.

11200422020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385307 (or 385305 counting only the distinct ones).

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

Adding to 11200422020 its reverse (2022400211), we get a palindrome (13222822231).

The spelling of 11200422020 in words is "eleven billion, two hundred million, four hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1459 2918 5836 7295 14590 29180 383839 767678 1535356 1919195 3838390 7676780 560021101 1120042202 2240084404 2800105505 5600211010 11200422020