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10211200220020 = 2256534019194543
BaseRepresentation
bin1001010010010111101011…
…1101100011101101110100
31100011011220002201001210111
42110211322331203231310
52314300014224020040
633414543254432404
72102510026526062
oct224457275435564
940134802631714
1010211200220020
1132876003562a8
12118abba362704
13590bb1a05507
1427432091d032
1512a93b805dea
hex9497af63b74

10211200220020 has 48 divisors (see below), whose sum is σ = 21481813059840. Its totient is φ = 4077189447296.

The previous prime is 10211200220009. The next prime is 10211200220069. The reversal of 10211200220020 is 2002200211201.

It is a happy number.

It is a congruent number.

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, 52390869 + ... + 52585411.

It is an arithmetic number, because the mean of its divisors is an integer number (447537772080).

Almost surely, 210211200220020 is an apocalyptic number.

10211200220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211200220020 is an abundant number, since it is smaller than the sum of its proper divisors (11270612839820).

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

10211200220020 is a wasteful number, since it uses less digits than its factorization.

10211200220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199224 (or 199222 counting only the distinct ones).

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

Adding to 10211200220020 its reverse (2002200211201), we get a palindrome (12213400431221).

The spelling of 10211200220020 in words is "ten trillion, two hundred eleven billion, two hundred million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 653 1306 2612 3265 4019 6530 8038 13060 16076 20095 40190 80380 194543 389086 778172 972715 1945430 2624407 3890860 5248814 10497628 13122035 26244070 52488140 127036579 254073158 508146316 635182895 781868317 1270365790 1563736634 2540731580 3127473268 3909341585 7818683170 15637366340 510560011001 1021120022002 2042240044004 2552800055005 5105600110010 10211200220020