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20302223103 = 333672048867
BaseRepresentation
bin10010111010000110…
…110101011011111111
31221101220012210102000
4102322012311123333
5313034332114403
613154323033343
71316052022551
oct227206653377
957356183360
1020302223103
118679091788
123b2720b853
131bb71a3586
14da84b74d1
157dc5687a3
hex4ba1b56ff

20302223103 has 16 divisors (see below), whose sum is σ = 30159336960. Its totient is φ = 13497929208.

The previous prime is 20302223023. The next prime is 20302223141. The reversal of 20302223103 is 30132220302.

It is a happy number.

It is not a de Polignac number, because 20302223103 - 210 = 20302222079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302223153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014525 + ... + 1034342.

It is an arithmetic number, because the mean of its divisors is an integer number (1884958560).

Almost surely, 220302223103 is an apocalyptic number.

20302223103 is a deficient number, since it is larger than the sum of its proper divisors (9857113857).

20302223103 is a wasteful number, since it uses less digits than its factorization.

20302223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049243 (or 2049237 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20302223103 its reverse (30132220302), we get a palindrome (50434443405).

The spelling of 20302223103 in words is "twenty billion, three hundred two million, two hundred twenty-three thousand, one hundred three".

Divisors: 1 3 9 27 367 1101 3303 9909 2048867 6146601 18439803 55319409 751934189 2255802567 6767407701 20302223103