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20612127 = 329792999
BaseRepresentation
bin100111010100…
…0010000011111
31102210012112010
41032220100133
520234042002
62013442303
7340125444
oct116502037
942705463
1020612127
11106a9218
126aa0393
134368c33
142a479cb
151c2246c
hex13a841f

20612127 has 16 divisors (see below), whose sum is σ = 28800000. Its totient is φ = 13095264.

The previous prime is 20612101. The next prime is 20612129. The reversal of 20612127 is 72121602.

It is not a de Polignac number, because 20612127 - 27 = 20611999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20612129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (1800000).

Almost surely, 220612127 is an apocalyptic number.

20612127 is a deficient number, since it is larger than the sum of its proper divisors (8187873).

20612127 is a wasteful number, since it uses less digits than its factorization.

20612127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20612127 is about 4540.0580392766. The cubic root of 20612127 is about 274.1832604626.

Adding to 20612127 its reverse (72121602), we get a palindrome (92733729).

The spelling of 20612127 in words is "twenty million, six hundred twelve thousand, one hundred twenty-seven".

Divisors: 1 3 29 79 87 237 2291 2999 6873 8997 86971 236921 260913 710763 6870709 20612127