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20101013333220 = 22351372445378751
BaseRepresentation
bin1001001001000001000011…
…10000100110010011100100
32122011122020011212111202110
410210200201300212103210
510113313333403130340
6110430140020241020
74143151564132431
oct444404160462344
978148204774673
1020101013333220
11644a878aa3406
122307864840170
13b2a695a1b421
144d6c73adab88
1524cd18037680
hex124821c264e4

20101013333220 has 48 divisors (see below), whose sum is σ = 56693660986368. Its totient is φ = 5321144160000.

The previous prime is 20101013333207. The next prime is 20101013333243. The reversal of 20101013333220 is 2233331010102.

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, 1222681156 + ... + 1222697595.

It is an arithmetic number, because the mean of its divisors is an integer number (1181117937216).

Almost surely, 220101013333220 is an apocalyptic number.

20101013333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101013333220 is an abundant number, since it is smaller than the sum of its proper divisors (36592647653148).

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

20101013333220 is a wasteful number, since it uses less digits than its factorization.

20101013333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445378900 (or 2445378898 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20101013333220 its reverse (2233331010102), we get a palindrome (22334344343322).

The spelling of 20101013333220 in words is "twenty trillion, one hundred one billion, thirteen million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 4110 8220 2445378751 4890757502 7336136253 9781515004 12226893755 14672272506 24453787510 29344545012 36680681265 48907575020 73361362530 146722725060 335016888887 670033777774 1005050666661 1340067555548 1675084444435 2010101333322 3350168888870 4020202666644 5025253333305 6700337777740 10050506666610 20101013333220