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20132202121 = 431762726561
BaseRepresentation
bin10010101111111110…
…010000011010001001
31220222001021211110121
4102233332100122021
5312212320431441
613125410543241
71311615615553
oct225776203211
956861254417
1020132202121
1185a1115479
123a9a297b21
131b8abb4845
14d8da9a4d3
157cc681dd1
hex4aff90689

20132202121 has 8 divisors (see below), whose sum is σ = 20602337184. Its totient is φ = 19662155520.

The previous prime is 20132202067. The next prime is 20132202173. The reversal of 20132202121 is 12120223102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20132202121 - 27 = 20132201993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132202095 and 20132202104.

It is not an unprimeable number, because it can be changed into a prime (20132202521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744681 + ... + 771241.

It is an arithmetic number, because the mean of its divisors is an integer number (2575292148).

Almost surely, 220132202121 is an apocalyptic number.

It is an amenable number.

20132202121 is a deficient number, since it is larger than the sum of its proper divisors (470135063).

20132202121 is a wasteful number, since it uses less digits than its factorization.

20132202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44231.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20132202121 its reverse (12120223102), we get a palindrome (32252425223).

The spelling of 20132202121 in words is "twenty billion, one hundred thirty-two million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 43 17627 26561 757961 1142123 468190747 20132202121