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110000020 = 22513439839
BaseRepresentation
bin1101000111001…
…11011110010100
321122222120122211
412203213132110
5211130000040
614525403204
72503661524
oct643473624
9248876584
10110000020
1157101709
1230a09504
1319a35390
1410875684
1599cc8ea
hex68e7794

110000020 has 48 divisors (see below), whose sum is σ = 254580480. Its totient is φ = 39666816.

The previous prime is 110000017. The next prime is 110000039. The reversal of 110000020 is 20000011.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a junction number, because it is equal to n+sod(n) for n = 109999964 and 110000009.

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, 6261 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (5303760).

Almost surely, 2110000020 is an apocalyptic number.

110000020 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 110000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127290240).

110000020 is an abundant number, since it is smaller than the sum of its proper divisors (144580460).

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

110000020 is a wasteful number, since it uses less digits than its factorization.

110000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 110000020 is about 10488.0894351641. The cubic root of 110000020 is about 479.1420147452.

Adding to 110000020 its reverse (20000011), we get a palindrome (130000031).

Subtracting from 110000020 its reverse (20000011), we obtain a palindrome (90000009).

The spelling of 110000020 in words is "one hundred ten million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 26 43 52 65 86 130 172 215 260 430 559 860 1118 2236 2795 5590 9839 11180 19678 39356 49195 98390 127907 196780 255814 423077 511628 639535 846154 1279070 1692308 2115385 2558140 4230770 5500001 8461540 11000002 22000004 27500005 55000010 110000020