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20102101002222 = 236529513149053
BaseRepresentation
bin1001001001000011000101…
…00101101110011111101110
32122011202000222111211010120
410210201202211232133232
510113323100324032342
6110430435552545410
74143220542150201
oct444414245563756
978152028454116
1020102101002222
116450286a56208
122307b08b52266
13b2a80a172555
144d6d38349938
1524cd7d784aec
hex12486296e7ee

20102101002222 has 16 divisors (see below), whose sum is σ = 40210359871440. Its totient is φ = 6699674022912.

The previous prime is 20102101002199. The next prime is 20102101002227. The reversal of 20102101002222 is 22220010120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102101002227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256535353 + ... + 256613700.

It is an arithmetic number, because the mean of its divisors is an integer number (2513147491965).

Almost surely, 220102101002222 is an apocalyptic number.

20102101002222 is an abundant number, since it is smaller than the sum of its proper divisors (20108258869218).

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

20102101002222 is a wasteful number, since it uses less digits than its factorization.

20102101002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513155587.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102101002222 its reverse (22220010120102), we get a palindrome (42322111122324).

The spelling of 20102101002222 in words is "twenty trillion, one hundred two billion, one hundred one million, two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 6529 13058 19587 39174 513149053 1026298106 1539447159 3078894318 3350350167037 6700700334074 10051050501111 20102101002222