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20202212011110 = 23537107170095243
BaseRepresentation
bin1001001011111101100011…
…01010111010110001100110
32122112022102220000222221120
410211332301222322301212
510121443112233323420
6110544433523154410
74153363434531603
oct445766152726146
978468386028846
1020202212011110
11648978a011998
1223233a7b15a06
13b370a297b60c
144dbb140256aa
1525078c5ead40
hex125fb1abac66

20202212011110 has 64 divisors (see below), whose sum is σ = 50261103459072. Its totient is φ = 5192667547776.

The previous prime is 20202212011099. The next prime is 20202212011159. The reversal of 20202212011110 is 1111021220202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202212011110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84928852 + ... + 85166391.

It is an arithmetic number, because the mean of its divisors is an integer number (785329741548).

Almost surely, 220202212011110 is an apocalyptic number.

20202212011110 is an abundant number, since it is smaller than the sum of its proper divisors (30058891447962).

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

20202212011110 is a wasteful number, since it uses less digits than its factorization.

20202212011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170095397.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20202212011110 its reverse (1111021220202), we get a palindrome (21313233231312).

The spelling of 20202212011110 in words is "twenty trillion, two hundred two billion, two hundred twelve million, eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 107 111 185 214 222 321 370 535 555 642 1070 1110 1605 3210 3959 7918 11877 19795 23754 39590 59385 118770 170095243 340190486 510285729 850476215 1020571458 1700952430 2551428645 5102857290 6293523991 12587047982 18200191001 18880571973 31467619955 36400382002 37761143946 54600573003 62935239910 91000955005 94402859865 109201146006 182001910010 188805719730 273002865015 546005730030 673407067037 1346814134074 2020221201111 3367035335185 4040442402222 6734070670370 10101106005555 20202212011110