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10210020012220 = 2257893413240089
BaseRepresentation
bin1001010010010011010010…
…0111011011000010111100
31100011001211211221022001111
42110210310213123002330
52314240110110342340
633414230214451404
72102435546113030
oct224446447330274
940131754838044
1010210020012220
113287055138756
12118a92b063b64
13590a543509c2
1427424bca21c0
1512a8bcdc9aea
hex949349db0bc

10210020012220 has 96 divisors (see below), whose sum is σ = 24786737942400. Its totient is φ = 3460217401344.

The previous prime is 10210020012209. The next prime is 10210020012233. The reversal of 10210020012220 is 2221002001201.

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 10210020012220.

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, 42405936 + ... + 42646024.

It is an arithmetic number, because the mean of its divisors is an integer number (258195186900).

Almost surely, 210210020012220 is an apocalyptic number.

10210020012220 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 10210020012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12393368971200).

10210020012220 is an abundant number, since it is smaller than the sum of its proper divisors (14576717930180).

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

10210020012220 is a wasteful number, since it uses less digits than its factorization.

10210020012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243607 (or 243605 counting only the distinct ones).

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

Adding to 10210020012220 its reverse (2221002001201), we get a palindrome (12431022013421).

The spelling of 10210020012220 in words is "ten trillion, two hundred ten billion, twenty million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 3413 6230 6826 12460 13652 17065 23891 34130 47782 68260 95564 119455 238910 240089 303757 477820 480178 607514 960356 1200445 1215028 1518785 1680623 2126299 2400890 3037570 3361246 4252598 4801780 6075140 6722492 8403115 8505196 10631495 16806230 21262990 21367921 33612460 42525980 42735842 85471684 106839605 149575447 213679210 299150894 427358420 598301788 747877235 819423757 1495754470 1638847514 2991508940 3277695028 4097118785 5735966299 8194237570 11471932598 16388475140 22943865196 28679831495 57359662990 72928714373 114719325980 145857428746 291714857492 364643571865 510501000611 729287143730 1021002001222 1458574287460 2042004002444 2552505003055 5105010006110 10210020012220