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20212200210 = 2356752119301
BaseRepresentation
bin10010110100101111…
…011011001100010010
31221011121211011012210
4102310233123030102
5312343310401320
613141345332550
71313606603256
oct226457331422
957147734183
1020212200210
1186322951a4
123b01037156
131ba16440a7
14d9a562266
157d46d50e0
hex4b4bdb312

20212200210 has 64 divisors (see below), whose sum is σ = 49330353024. Its totient is φ = 5299008000.

The previous prime is 20212200163. The next prime is 20212200221. The reversal of 20212200210 is 1200221202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1037560 + ... + 1056860.

It is an arithmetic number, because the mean of its divisors is an integer number (770786766).

Almost surely, 220212200210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24665176512).

20212200210 is an abundant number, since it is smaller than the sum of its proper divisors (29118152814).

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

20212200210 is a wasteful number, since it uses less digits than its factorization.

20212200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19899.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20212200210 its reverse (1200221202), we get a palindrome (21412421412).

The spelling of 20212200210 in words is "twenty billion, two hundred twelve million, two hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 521 670 1005 1042 1563 2010 2605 3126 5210 7815 15630 19301 34907 38602 57903 69814 96505 104721 115806 174535 193010 209442 289515 349070 523605 579030 1047210 1293167 2586334 3879501 6465835 7759002 10055821 12931670 19397505 20111642 30167463 38795010 50279105 60334926 100558210 150837315 301674630 673740007 1347480014 2021220021 3368700035 4042440042 6737400070 10106100105 20212200210