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20102200210 = 25107131143413
BaseRepresentation
bin10010101110001011…
…110011101110010010
31220212221211120120201
4102232023303232102
5312132130401320
613122415525414
71311102611461
oct225613635622
956787746521
1020102200210
118586193604
123a9022986a
131b8490ba31
14d89aca9d8
157c9c0770a
hex4ae2f3b92

20102200210 has 32 divisors (see below), whose sum is σ = 36801179712. Its totient is φ = 7904869440.

The previous prime is 20102200187. The next prime is 20102200219. The reversal of 20102200210 is 1200220102.

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

It is not an unprimeable number, because it can be changed into a prime (20102200219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68464 + ... + 211876.

It is an arithmetic number, because the mean of its divisors is an integer number (1150036866).

Almost surely, 220102200210 is an apocalyptic number.

20102200210 is a deficient number, since it is larger than the sum of its proper divisors (16698979502).

20102200210 is a wasteful number, since it uses less digits than its factorization.

20102200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143658.

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

Adding to 20102200210 its reverse (1200220102), we get a palindrome (21302420312).

The spelling of 20102200210 in words is "twenty billion, one hundred two million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 10 107 131 214 262 535 655 1070 1310 14017 28034 70085 140170 143413 286826 717065 1434130 15345191 18787103 30690382 37574206 76725955 93935515 153451910 187871030 2010220021 4020440042 10051100105 20102200210