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20201100212210 = 252969658966249
BaseRepresentation
bin1001001011111011011110…
…11001101111011111110010
32122112012120101222202120112
410211331233121233133302
510121433323123242320
6110544131325341322
74153324044434441
oct445755731573762
978465511882515
1020201100212210
116489269478a25
122323137707842
13b36c56529348
144dba4a4d4d58
15250724bd3ec5
hex125f6f66f7f2

20201100212210 has 16 divisors (see below), whose sum is σ = 37615841775000. Its totient is φ = 7801804219776.

The previous prime is 20201100212173. The next prime is 20201100212221. The reversal of 20201100212210 is 1221200110202.

It can be written as a sum of positive squares in 4 ways, for example, as 14298615385201 + 5902484827009 = 3781351^2 + 2429503^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34829482835 + ... + 34829483414.

Almost surely, 220201100212210 is an apocalyptic number.

20201100212210 is a deficient number, since it is larger than the sum of its proper divisors (17414741562790).

20201100212210 is a wasteful number, since it uses less digits than its factorization.

20201100212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69658966285.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201100212210 its reverse (1221200110202), we get a palindrome (21422300322412).

The spelling of 20201100212210 in words is "twenty trillion, two hundred one billion, one hundred million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 145 290 69658966249 139317932498 348294831245 696589662490 2020110021221 4040220042442 10100550106105 20201100212210