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20123202200 = 2352723713903
BaseRepresentation
bin10010101111011011…
…111011001010011000
31220221102100120220012
4102233123323022120
5312203014432300
613124450021052
71311446252663
oct225733731230
956842316805
1020123202200
118597028722
123a97277788
131b8908324a
14d8c7d66da
157cb9a5435
hex4af6fb298

20123202200 has 48 divisors (see below), whose sum is σ = 46796275680. Its totient is φ = 8047589760.

The previous prime is 20123202191. The next prime is 20123202217. The reversal of 20123202200 is 220232102.

It is a congruent number.

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, 1440449 + ... + 1454351.

It is an arithmetic number, because the mean of its divisors is an integer number (974922410).

Almost surely, 220123202200 is an apocalyptic number.

20123202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123202200 is an abundant number, since it is smaller than the sum of its proper divisors (26673073480).

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

20123202200 is a wasteful number, since it uses less digits than its factorization.

20123202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21156 (or 21147 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20123202200 its reverse (220232102), we get a palindrome (20343434302).

The spelling of 20123202200 in words is "twenty billion, one hundred twenty-three million, two hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 7237 13903 14474 27806 28948 36185 55612 57896 69515 72370 111224 139030 144740 180925 278060 289480 347575 361850 556120 695150 723700 1390300 1447400 2780600 100616011 201232022 402464044 503080055 804928088 1006160110 2012320220 2515400275 4024640440 5030800550 10061601100 20123202200