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200120120112220 = 2257115914249154573
BaseRepresentation
bin101101100000001000011000…
…101010111111010001011100
3222020120022000020211000001121
4231200020120222333101130
5202212232001222042340
61545341525232220324
760103126063366360
oct5540103052772134
9866508006730047
10200120120112220
1158845514756570
121a54075339a6a4
13878832830c269
14375bc18cb52a0
1518208b486d94a
hexb60218abf45c

200120120112220 has 192 divisors, whose sum is σ = 532872224640000. Its totient is φ = 61313197271040.

The previous prime is 200120120112203. The next prime is 200120120112221. The reversal of 200120120112220 is 22211021021002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200120120112194 and 200120120112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120120112221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1294586854 + ... + 1294741426.

It is an arithmetic number, because the mean of its divisors is an integer number (2775376170000).

Almost surely, 2200120120112220 is an apocalyptic number.

200120120112220 is a gapful number since it is divisible by the number (20) 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 200120120112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266436112320000).

200120120112220 is an abundant number, since it is smaller than the sum of its proper divisors (332752104527780).

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

200120120112220 is a wasteful number, since it uses less digits than its factorization.

200120120112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168908 (or 168906 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200120120112220 its reverse (22211021021002), we get a palindrome (222331141133222).

The spelling of 200120120112220 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty".