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20434224107 = 113467535811
BaseRepresentation
bin10011000001111110…
…011000001111101011
31221202002121010202002
4103001332120033223
5313322130132412
613215400201215
71322244016253
oct230176301753
957662533662
1020434224107
118736650020
123b6346920b
131c0863ca8b
14dbbc38963
157e8e3edc2
hex4c1f983eb

20434224107 has 8 divisors (see below), whose sum is σ = 22298352192. Its totient is φ = 18571174600.

The previous prime is 20434224067. The next prime is 20434224131. The reversal of 20434224107 is 70142243402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20434224107 - 28 = 20434223851 is a prime.

It is a super-3 number, since 3×204342241073 (a number of 32 digits) contains 333 as substring.

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 20434224107.

It is not an unprimeable number, because it can be changed into a prime (20434224407) 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 7 ways as a sum of consecutive naturals, for example, 229769 + ... + 306042.

It is an arithmetic number, because the mean of its divisors is an integer number (2787294024).

Almost surely, 220434224107 is an apocalyptic number.

20434224107 is a deficient number, since it is larger than the sum of its proper divisors (1864128085).

20434224107 is a wasteful number, since it uses less digits than its factorization.

20434224107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539289.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 20434224107 its reverse (70142243402), we get a palindrome (90576467509).

The spelling of 20434224107 in words is "twenty billion, four hundred thirty-four million, two hundred twenty-four thousand, one hundred seven".

Divisors: 1 11 3467 38137 535811 5893921 1857656737 20434224107