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10110020220 = 22325337166667
BaseRepresentation
bin10010110101001101…
…01010101001111100
3222002120210020111100
421122212222221330
5131201131121340
64351112453100
7505351516416
oct113246525174
928076706440
1010110020220
11431892a913
121b619aa190
13c5172bab1
146bca019b6
153e2891830
hex25a9aaa7c

10110020220 has 72 divisors (see below), whose sum is σ = 30758246064. Its totient is φ = 2687989248.

The previous prime is 10110020209. The next prime is 10110020227. The reversal of 10110020220 is 2202001101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110020227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22674 + ... + 143993.

It is an arithmetic number, because the mean of its divisors is an integer number (427197862).

Almost surely, 210110020220 is an apocalyptic number.

10110020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10110020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15379123032).

10110020220 is an abundant number, since it is smaller than the sum of its proper divisors (20648225844).

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

10110020220 is a wasteful number, since it uses less digits than its factorization.

10110020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167019 (or 167014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10110020220 its reverse (2202001101), we get a palindrome (12312021321).

The spelling of 10110020220 in words is "ten billion, one hundred ten million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 337 674 1011 1348 1685 2022 3033 3370 4044 5055 6066 6740 10110 12132 15165 20220 30330 60660 166667 333334 500001 666668 833335 1000002 1500003 1666670 2000004 2500005 3000006 3333340 5000010 6000012 7500015 10000020 15000030 30000060 56166779 112333558 168500337 224667116 280833895 337000674 505501011 561667790 674001348 842501685 1011002022 1123335580 1685003370 2022004044 2527505055 3370006740 5055010110 10110020220