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11301222020 = 2251182362417
BaseRepresentation
bin10101000011001101…
…01111011010000100
31002011121020120011112
422201212233122010
5141121103101040
65105224224152
7550024542104
oct124146573204
932147216145
1011301222020
11487a277410
12223490b058
1310b146272a
14792cc1204
15462240365
hex2a19af684

11301222020 has 48 divisors (see below), whose sum is σ = 25921945728. Its totient is φ = 4104476160.

The previous prime is 11301221969. The next prime is 11301222029. The reversal of 11301222020 is 2022210311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11301221986 and 11301222004.

It is not an unprimeable number, because it can be changed into a prime (11301222029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149852 + ... + 212268.

It is an arithmetic number, because the mean of its divisors is an integer number (540040536).

Almost surely, 211301222020 is an apocalyptic number.

11301222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301222020 is an abundant number, since it is smaller than the sum of its proper divisors (14620723708).

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

11301222020 is a wasteful number, since it uses less digits than its factorization.

11301222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63260 (or 63258 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11301222020 its reverse (2022210311), we get a palindrome (13323432331).

The spelling of 11301222020 in words is "eleven billion, three hundred one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 823 1646 3292 4115 8230 9053 16460 18106 36212 45265 62417 90530 124834 181060 249668 312085 624170 686587 1248340 1373174 2746348 3432935 6865870 13731740 51369191 102738382 205476764 256845955 513691910 565061101 1027383820 1130122202 2260244404 2825305505 5650611010 11301222020