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20414204011 = 20639895397
BaseRepresentation
bin10011000000110010…
…000000100001101011
31221200200221000100001
4103000302000201223
5313302014012021
613213403123431
71321611604525
oct230062004153
957620830301
1020414204011
118726316693
123b58813577
131c04450476
14db9306a15
157e72d8091
hex4c0c8086b

20414204011 has 4 divisors (see below), whose sum is σ = 20424101472. Its totient is φ = 20404306552.

The previous prime is 20414204009. The next prime is 20414204021. The reversal of 20414204011 is 11040241402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11040241402 = 25520120701.

It is a cyclic number.

It is not a de Polignac number, because 20414204011 - 21 = 20414204009 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 20414204011.

It is not an unprimeable number, because it can be changed into a prime (20414204021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945636 + ... + 4949761.

It is an arithmetic number, because the mean of its divisors is an integer number (5106025368).

Almost surely, 220414204011 is an apocalyptic number.

20414204011 is a deficient number, since it is larger than the sum of its proper divisors (9897461).

20414204011 is an equidigital number, since it uses as much as digits as its factorization.

20414204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897460.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20414204011 its reverse (11040241402), we get a palindrome (31454445413).

The spelling of 20414204011 in words is "twenty billion, four hundred fourteen million, two hundred four thousand, eleven".

Divisors: 1 2063 9895397 20414204011