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100020210220 = 22572102061439
BaseRepresentation
bin101110100100110101…
…0110100101000101100
3100120011120200010110101
41131021222310220230
53114320133211340
6113540524120444
710140410521300
oct1351152645054
9316146603411
10100020210220
113946688a367
1217474696124
13957ca67758
144baba01d00
152905dccc9a
hex1749ab4a2c

100020210220 has 36 divisors (see below), whose sum is σ = 244335087360. Its totient is φ = 34292643168.

The previous prime is 100020210167. The next prime is 100020210281. The reversal of 100020210220 is 22012020001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100020210197 and 100020210206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51029740 + ... + 51031699.

It is an arithmetic number, because the mean of its divisors is an integer number (6787085760).

Almost surely, 2100020210220 is an apocalyptic number.

100020210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020210220 is an abundant number, since it is smaller than the sum of its proper divisors (144314877140).

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

100020210220 is a wasteful number, since it uses less digits than its factorization.

100020210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102061462 (or 102061453 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100020210220 its reverse (22012020001), we get a palindrome (122032230221).

The spelling of 100020210220 in words is "one hundred billion, twenty million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 102061439 204122878 408245756 510307195 714430073 1020614390 1428860146 2041228780 2857720292 3572150365 5001010511 7144300730 10002021022 14288601460 20004042044 25005052555 50010105110 100020210220