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10200111102020 = 2257417191746397
BaseRepresentation
bin1001010001101110010111…
…1111111011100001000100
31100010010021021120111122102
42110123211333323201010
52314104311420231040
633405511044251232
72101635155553020
oct224334577734104
940103237514572
1010200111102020
11328292a889874
121188a246a0b18
1358cb354a7528
1427398bc91380
1512a4dd011515
hex946e5ffb844

10200111102020 has 48 divisors (see below), whose sum is σ = 24480867452160. Its totient is φ = 3497095119744.

The previous prime is 10200111101881. The next prime is 10200111102059. The reversal of 10200111102020 is 2020111100201.

It is a junction number, because it is equal to n+sod(n) for n = 10200111101992 and 10200111102010.

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, 4967462 + ... + 6713858.

It is an arithmetic number, because the mean of its divisors is an integer number (510018071920).

Almost surely, 210200111102020 is an apocalyptic number.

10200111102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200111102020 is an abundant number, since it is smaller than the sum of its proper divisors (14280756350140).

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

10200111102020 is a wasteful number, since it uses less digits than its factorization.

10200111102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788132 (or 1788130 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10200111102020 its reverse (2020111100201), we get a palindrome (12220222202221).

The spelling of 10200111102020 in words is "ten trillion, two hundred billion, one hundred eleven million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 41719 83438 166876 208595 292033 417190 584066 834380 1168132 1460165 1746397 2920330 3492794 5840660 6985588 8731985 12224779 17463970 24449558 34927940 48899116 61123895 122247790 244495580 72857936443 145715872886 291431745772 364289682215 510005555101 728579364430 1020011110202 1457158728860 2040022220404 2550027775505 5100055551010 10200111102020