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20434224141 = 326137220809
BaseRepresentation
bin10011000001111110…
…011000010000001101
31221202002121010210100
4103001332120100031
5313322130133031
613215400201313
71322244016332
oct230176302015
957662533710
1020434224141
118736650051
123b63469239
131c0863cab6
14dbbc38989
157e8e3ede6
hex4c1f9840d

20434224141 has 12 divisors (see below), whose sum is σ = 29999972860. Its totient is φ = 13399490880.

The previous prime is 20434224133. The next prime is 20434224149. The reversal of 20434224141 is 14142243402.

20434224141 is a `hidden beast` number, since 2 + 0 + 434 + 224 + 1 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20434224133) and next prime (20434224149).

It can be written as a sum of positive squares in 2 ways, for example, as 3812568516 + 16621655625 = 61746^2 + 128925^2 .

It is not a de Polignac number, because 20434224141 - 23 = 20434224133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434224149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18609856 + ... + 18610953.

Almost surely, 220434224141 is an apocalyptic number.

It is an amenable number.

20434224141 is a deficient number, since it is larger than the sum of its proper divisors (9565748719).

20434224141 is a wasteful number, since it uses less digits than its factorization.

20434224141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37220876 (or 37220873 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20434224141 its reverse (14142243402), we get a palindrome (34576467543).

The spelling of 20434224141 in words is "twenty billion, four hundred thirty-four million, two hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 3 9 61 183 549 37220809 111662427 334987281 2270469349 6811408047 20434224141