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11220130020 = 223511235571327
BaseRepresentation
bin10100111001100010…
…11001100011100100
31001221221122122212010
422130301121203210
5140434323130040
65053210154220
7545021350221
oct123461314344
931857578763
1011220130020
11483851a830
122211722970
13109a70c2b8
14786212948
1545a072e80
hex29cc598e4

11220130020 has 192 divisors, whose sum is σ = 35853705216. Its totient is φ = 2595141120.

The previous prime is 11220129989. The next prime is 11220130027. The reversal of 11220130020 is 2003102211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11220129978 and 11220130005.

It is not an unprimeable number, because it can be changed into a prime (11220130027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8454597 + ... + 8455923.

It is an arithmetic number, because the mean of its divisors is an integer number (186738048).

Almost surely, 211220130020 is an apocalyptic number.

11220130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17926852608).

11220130020 is an abundant number, since it is smaller than the sum of its proper divisors (24633575196).

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

11220130020 is a wasteful number, since it uses less digits than its factorization.

11220130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11220130020 its reverse (2003102211), we get a palindrome (13223232231).

The spelling of 11220130020 in words is "eleven billion, two hundred twenty million, one hundred thirty thousand, twenty".