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20210200020100 = 225217192329471249
BaseRepresentation
bin1001001100001100011011…
…10010110000010010000100
32122120002001120212220021101
410212012031302300102010
510122110442201120400
6110552234314025444
74154065411510546
oct446061562602204
978502046786241
1020210200020100
11649210903a312
122324a57118284
13b37a7688385c
144dc270c8b696
15250aa8a2856a
hex12618dcb0484

20210200020100 has 432 divisors, whose sum is σ = 51192426600000. Its totient is φ = 6881905704960.

The previous prime is 20210200020079. The next prime is 20210200020137. The reversal of 20210200020100 is 102000201202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16181104276 + ... + 16181105524.

It is an arithmetic number, because the mean of its divisors is an integer number (118500987500).

Almost surely, 220210200020100 is an apocalyptic number.

20210200020100 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 20210200020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25596213300000).

20210200020100 is an abundant number, since it is smaller than the sum of its proper divisors (30982226579900).

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

20210200020100 is a wasteful number, since it uses less digits than its factorization.

20210200020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20210200020100 its reverse (102000201202), we get a palindrome (20312200221302).

The spelling of 20210200020100 in words is "twenty trillion, two hundred ten billion, two hundred million, twenty thousand, one hundred".