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20102220102 = 233790550541
BaseRepresentation
bin10010101110001011…
…111000100101000110
31220212221212120212110
4102232023320211012
5312132132020402
613122420201450
71311103023456
oct225613704506
956787776773
1020102220102
1185861a7548
123a90239286
131b84917ac3
14d89ad3d66
157c9c0d56c
hex4ae2f8946

20102220102 has 16 divisors (see below), whose sum is σ = 41291047152. Its totient is φ = 6519638880.

The previous prime is 20102220097. The next prime is 20102220107.

20102220102 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (20102220097) and next prime (20102220107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102220107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45275049 + ... + 45275492.

It is an arithmetic number, because the mean of its divisors is an integer number (2580690447).

Almost surely, 220102220102 is an apocalyptic number.

20102220102 is an abundant number, since it is smaller than the sum of its proper divisors (21188827050).

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

20102220102 is a wasteful number, since it uses less digits than its factorization.

20102220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90550583.

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

The spelling of 20102220102 in words is "twenty billion, one hundred two million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 37 74 111 222 90550541 181101082 271651623 543303246 3350370017 6700740034 10051110051 20102220102