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20351200466 = 219535557907
BaseRepresentation
bin10010111101000001…
…101010110011010010
31221112022101002201102
4102331001222303102
5313134401403331
613203232504402
71320215230652
oct227501526322
957468332642
1020351200466
1186a37a4143
123b3b6ab102
131bc439136c
14db0bc6362
157e19e04cb
hex4bd06acd2

20351200466 has 8 divisors (see below), whose sum is σ = 32133474480. Its totient is φ = 9640042308.

The previous prime is 20351200451. The next prime is 20351200511. The reversal of 20351200466 is 66400215302.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267778916 + ... + 267778991.

It is an arithmetic number, because the mean of its divisors is an integer number (4016684310).

Almost surely, 220351200466 is an apocalyptic number.

20351200466 is a deficient number, since it is larger than the sum of its proper divisors (11782274014).

20351200466 is a wasteful number, since it uses less digits than its factorization.

20351200466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535557928.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20351200466 its reverse (66400215302), we get a palindrome (86751415768).

The spelling of 20351200466 in words is "twenty billion, three hundred fifty-one million, two hundred thousand, four hundred sixty-six".

Divisors: 1 2 19 38 535557907 1071115814 10175600233 20351200466