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10200010220 = 2254311860477
BaseRepresentation
bin10010111111111011…
…11100110111101100
3222022212010012120022
421133331330313230
5131342200311340
64404045341312
7510523441061
oct113775746754
928285105508
1010200010220
114364704714
121b87b67838
13c6727930a
146ca948c68
153ea71a3b5
hex25ff7cdec

10200010220 has 24 divisors (see below), whose sum is σ = 21918163344. Its totient is φ = 3985119936.

The previous prime is 10200010193. The next prime is 10200010283. The reversal of 10200010220 is 2201000201.

It is a junction number, because it is equal to n+sod(n) for n = 10200010198 and 10200010207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5929379 + ... + 5931098.

It is an arithmetic number, because the mean of its divisors is an integer number (913256806).

Almost surely, 210200010220 is an apocalyptic number.

10200010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200010220 is an abundant number, since it is smaller than the sum of its proper divisors (11718153124).

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

10200010220 is a wasteful number, since it uses less digits than its factorization.

10200010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860529 (or 11860527 counting only the distinct ones).

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

Adding to 10200010220 its reverse (2201000201), we get a palindrome (12401010421).

The spelling of 10200010220 in words is "ten billion, two hundred million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11860477 23720954 47441908 59302385 118604770 237209540 510000511 1020001022 2040002044 2550002555 5100005110 10200010220