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10230000220 = 22511367126703
BaseRepresentation
bin10011000011100000…
…10110101001011100
3222101221112212010001
421201300112221130
5131422340001340
64411040224044
7511336365346
oct114160265134
928357485101
1010230000220
11437a628640
121b9600b024
13c7054988b
146d0914296
153ed19129a
hex261c16a5c

10230000220 has 48 divisors (see below), whose sum is σ = 23500044288. Its totient is φ = 3709834560.

The previous prime is 10230000203. The next prime is 10230000229. The reversal of 10230000220 is 2200003201.

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 = 10230000197 and 10230000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230000229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17389 + ... + 144091.

It is an arithmetic number, because the mean of its divisors is an integer number (489584256).

Almost surely, 210230000220 is an apocalyptic number.

10230000220 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 10230000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11750022144).

10230000220 is an abundant number, since it is smaller than the sum of its proper divisors (13270044068).

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

10230000220 is a wasteful number, since it uses less digits than its factorization.

10230000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127090 (or 127088 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 10230000220 its reverse (2200003201), we get a palindrome (12430003421).

The spelling of 10230000220 in words is "ten billion, two hundred thirty million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 367 734 1468 1835 3670 4037 7340 8074 16148 20185 40370 80740 126703 253406 506812 633515 1267030 1393733 2534060 2787466 5574932 6968665 13937330 27874660 46500001 93000002 186000004 232500005 465000010 511500011 930000020 1023000022 2046000044 2557500055 5115000110 10230000220