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20412033205 = 54582789083
BaseRepresentation
bin10011000000101001…
…101110100010110101
31221200112211201112211
4103000221232202311
5313300440030310
613213244413421
71321554263614
oct230051564265
957615751484
1020412033205
118725073733
123b57b47271
131c03b70375
14db8cdd87b
157e7009c8a
hex4c0a6e8b5

20412033205 has 8 divisors (see below), whose sum is σ = 24495249312. Its totient is φ = 16329086928.

The previous prime is 20412033181. The next prime is 20412033233. The reversal of 20412033205 is 50233021402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20412033205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184594 + ... + 273676.

It is an arithmetic number, because the mean of its divisors is an integer number (3061906164).

Almost surely, 220412033205 is an apocalyptic number.

It is an amenable number.

20412033205 is a deficient number, since it is larger than the sum of its proper divisors (4083216107).

20412033205 is an equidigital number, since it uses as much as digits as its factorization.

20412033205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134915.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 20412033205 its reverse (50233021402), we get a palindrome (70645054607).

The spelling of 20412033205 in words is "twenty billion, four hundred twelve million, thirty-three thousand, two hundred five".

Divisors: 1 5 45827 89083 229135 445415 4082406641 20412033205