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10002201020 = 2257155945827
BaseRepresentation
bin10010101000010110…
…10111100110111100
3221211001220110100122
421110023113212330
5130441030413040
64332301514112
7502602206630
oct112413274674
927731813318
1010002201020
114272a88739
121b31872938
13c352ab256
146ac576dc0
153d81951b5
hex2542d79bc

10002201020 has 48 divisors (see below), whose sum is σ = 24021204480. Its totient is φ = 3427051584.

The previous prime is 10002201019. The next prime is 10002201031. The reversal of 10002201020 is 2010220001.

It is a junction number, because it is equal to n+sod(n) for n = 10002200989 and 10002201007.

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, 195347 + ... + 241173.

It is an arithmetic number, because the mean of its divisors is an integer number (500441760).

Almost surely, 210002201020 is an apocalyptic number.

10002201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002201020 is an abundant number, since it is smaller than the sum of its proper divisors (14019003460).

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

10002201020 is a wasteful number, since it uses less digits than its factorization.

10002201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47402 (or 47400 counting only the distinct ones).

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

Adding to 10002201020 its reverse (2010220001), we get a palindrome (12012421021).

The spelling of 10002201020 in words is "ten billion, two million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1559 3118 6236 7795 10913 15590 21826 31180 43652 45827 54565 91654 109130 183308 218260 229135 320789 458270 641578 916540 1283156 1603945 3207890 6415780 71444293 142888586 285777172 357221465 500110051 714442930 1000220102 1428885860 2000440204 2500550255 5001100510 10002201020