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20364102227 = 722318069301
BaseRepresentation
bin10010111101110010…
…111000101001010011
31221120012122120121102
4102331302320221103
5313201202232402
613204413215015
71320433004300
oct227562705123
957505576542
1020364102227
118700006457
123b43a9146b
131bc6c5a941
14db27c40a7
157e2bdd102
hex4bdcb8a53

20364102227 has 12 divisors (see below), whose sum is σ = 24718805136. Its totient is φ = 16696033200.

The previous prime is 20364102221. The next prime is 20364102259. The reversal of 20364102227 is 72220146302.

It is not a de Polignac number, because 20364102227 - 28 = 20364101971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20364102227.

It is not an unprimeable number, because it can be changed into a prime (20364102221) 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 11 ways as a sum of consecutive naturals, for example, 9033524 + ... + 9035777.

It is an arithmetic number, because the mean of its divisors is an integer number (2059900428).

Almost surely, 220364102227 is an apocalyptic number.

20364102227 is a deficient number, since it is larger than the sum of its proper divisors (4354702909).

20364102227 is a wasteful number, since it uses less digits than its factorization.

20364102227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18069338 (or 18069331 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 20364102227 its reverse (72220146302), we get a palindrome (92584248529).

The spelling of 20364102227 in words is "twenty billion, three hundred sixty-four million, one hundred two thousand, two hundred twenty-seven".

Divisors: 1 7 23 49 161 1127 18069301 126485107 415593923 885395749 2909157461 20364102227