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20310322227 = 313912757059
BaseRepresentation
bin10010111010100101…
…101110110000110011
31221102110110021022120
4102322211232300303
5313043420302402
613155212405323
71316210614266
oct227245566063
957373407276
1020310322227
118682713778
123b29a76843
131bb8a7ab60
14da95c4cdd
157dd1183bc
hex4ba96ec33

20310322227 has 16 divisors (see below), whose sum is σ = 29167246080. Its totient is φ = 12497071392.

The previous prime is 20310322223. The next prime is 20310322261. The reversal of 20310322227 is 72222301302.

It is not a de Polignac number, because 20310322227 - 22 = 20310322223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20310322197 and 20310322206.

It is not an unprimeable number, because it can be changed into a prime (20310322223) 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 15 ways as a sum of consecutive naturals, for example, 327424 + ... + 384482.

It is an arithmetic number, because the mean of its divisors is an integer number (1822952880).

Almost surely, 220310322227 is an apocalyptic number.

20310322227 is a deficient number, since it is larger than the sum of its proper divisors (8856923853).

20310322227 is a wasteful number, since it uses less digits than its factorization.

20310322227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66202.

The product of its (nonzero) digits is 2016, while the sum is 24.

Adding to 20310322227 its reverse (72222301302), we get a palindrome (92532623529).

The spelling of 20310322227 in words is "twenty billion, three hundred ten million, three hundred twenty-two thousand, two hundred twenty-seven".

Divisors: 1 3 13 39 9127 27381 57059 118651 171177 355953 741767 2225301 520777493 1562332479 6770107409 20310322227