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20066358674 = 269191145007
BaseRepresentation
bin10010101100000011…
…000101010110010010
31220210110101122020102
4102230003011112102
5312043441434144
613115055412402
71310156143265
oct225403052622
956713348212
1020066358674
118567a332aa
123a80224102
131b7a36cc1b
14d8503acdc
157c69c7b4e
hex4ac0c5592

20066358674 has 8 divisors (see below), whose sum is σ = 30100180608. Its totient is φ = 10032965140.

The previous prime is 20066358661. The next prime is 20066358677. The reversal of 20066358674 is 47685366002.

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

It is not an unprimeable number, because it can be changed into a prime (20066358677) 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, 65879 + ... + 210885.

It is an arithmetic number, because the mean of its divisors is an integer number (3762522576).

Almost surely, 220066358674 is an apocalyptic number.

20066358674 is a deficient number, since it is larger than the sum of its proper divisors (10033821934).

20066358674 is a wasteful number, since it uses less digits than its factorization.

20066358674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214200.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20066358674 in words is "twenty billion, sixty-six million, three hundred fifty-eight thousand, six hundred seventy-four".

Divisors: 1 2 69191 138382 145007 290014 10033179337 20066358674