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20032412555 = 523511704161
BaseRepresentation
bin10010101010000001…
…100101101110001011
31220201002111222220202
4102222001211232023
5312011244200210
613111444042415
71306264461101
oct225201455613
956632458822
1020032412555
11854a858061
123a7099340b
131b73315a6c
14d80721c71
157c3a1e9a5
hex4aa065b8b

20032412555 has 8 divisors (see below), whose sum is σ = 24049134144. Its totient is φ = 16019104000.

The previous prime is 20032412551. The next prime is 20032412573. The reversal of 20032412555 is 55521423002.

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

It is not a de Polignac number, because 20032412555 - 22 = 20032412551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032412551) 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, 840326 + ... + 863835.

It is an arithmetic number, because the mean of its divisors is an integer number (3006141768).

Almost surely, 220032412555 is an apocalyptic number.

20032412555 is a deficient number, since it is larger than the sum of its proper divisors (4016721589).

20032412555 is a wasteful number, since it uses less digits than its factorization.

20032412555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706517.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 20032412555 its reverse (55521423002), we get a palindrome (75553835557).

The spelling of 20032412555 in words is "twenty billion, thirty-two million, four hundred twelve thousand, five hundred fifty-five".

Divisors: 1 5 2351 11755 1704161 8520805 4006482511 20032412555