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20110202010220 = 2257236245404351
BaseRepresentation
bin1001001001010010001010…
…11100100111101001101100
32122012111221112222122221211
410210221011130213221230
510113441143203311340
6110434255501404204
74143625360451260
oct444510534475154
978174845878854
1020110202010220
116453763843443
1223095a9b69664
13b2b4cb5bcbca
144d74a61c80a0
1524d1a4a835ea
hex124a45727a6c

20110202010220 has 48 divisors (see below), whose sum is σ = 50362940694528. Its totient is φ = 6595146993600.

The previous prime is 20110202010163. The next prime is 20110202010313. The reversal of 20110202010220 is 2201020201102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110202010220.

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, 3122698956 + ... + 3122705395.

It is an arithmetic number, because the mean of its divisors is an integer number (1049227931136).

Almost surely, 220110202010220 is an apocalyptic number.

20110202010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110202010220 is an abundant number, since it is smaller than the sum of its proper divisors (30252738684308).

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

20110202010220 is a wasteful number, since it uses less digits than its factorization.

20110202010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245404390 (or 6245404388 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110202010220 its reverse (2201020201102), we get a palindrome (22311222211322).

The spelling of 20110202010220 in words is "twenty trillion, one hundred ten billion, two hundred two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 6245404351 12490808702 24981617404 31227021755 43717830457 62454043510 87435660914 124908087020 143644300073 174871321828 218589152285 287288600146 437178304570 574577200292 718221500365 874356609140 1005510100511 1436443000730 2011020201022 2872886001460 4022040402044 5027550502555 10055101005110 20110202010220