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20440214124 = 22311491315377
BaseRepresentation
bin10011000010010101…
…001110101001101100
31221202111212110111120
4103002111032221230
5313330143322444
613220132420540
71322345645001
oct230225165154
957674773446
1020440214124
118739a71450
123b65477750
131c09959375
14dbc9578a8
157e9724b19
hex4c254ea6c

20440214124 has 48 divisors (see below), whose sum is σ = 52135767936. Its totient is φ = 6181369600.

The previous prime is 20440214083. The next prime is 20440214161. The reversal of 20440214124 is 42141204402.

It is a junction number, because it is equal to n+sod(n) for n = 20440214094 and 20440214103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92877 + ... + 222500.

It is an arithmetic number, because the mean of its divisors is an integer number (1086161832).

Almost surely, 220440214124 is an apocalyptic number.

It is an amenable number.

20440214124 is an abundant number, since it is smaller than the sum of its proper divisors (31695553812).

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

20440214124 is a wasteful number, since it uses less digits than its factorization.

20440214124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315886 (or 315884 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20440214124 its reverse (42141204402), we get a palindrome (62581418526).

The spelling of 20440214124 in words is "twenty billion, four hundred forty million, two hundred fourteen thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 491 982 1473 1964 2946 5401 5892 10802 16203 21604 32406 64812 315377 630754 946131 1261508 1892262 3469147 3784524 6938294 10407441 13876588 20814882 41629764 154850107 309700214 464550321 619400428 929100642 1703351177 1858201284 3406702354 5110053531 6813404708 10220107062 20440214124