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20607130 = 2510719259
BaseRepresentation
bin100111010011…
…1000010011010
31102202221200001
41032213002122
520233412010
62013403214
7340105045
oct116470232
942687601
1020607130
11106a5495
126a9950a
13436688b
142a45c5c
151c20c3a
hex13a709a

20607130 has 16 divisors (see below), whose sum is σ = 37441440. Its totient is φ = 8165392.

The previous prime is 20607127. The next prime is 20607137. The reversal of 20607130 is 3170602.

It is a junction number, because it is equal to n+sod(n) for n = 20607098 and 20607107.

It is not an unprimeable number, because it can be changed into a prime (20607137) 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, 8560 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (2340090).

Almost surely, 220607130 is an apocalyptic number.

20607130 is a deficient number, since it is larger than the sum of its proper divisors (16834310).

20607130 is a wasteful number, since it uses less digits than its factorization.

20607130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 20607130 is about 4539.5076825577. The cubic root of 20607130 is about 274.1611019135.

Adding to 20607130 its reverse (3170602), we get a palindrome (23777732).

The spelling of 20607130 in words is "twenty million, six hundred seven thousand, one hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 19259 38518 96295 192590 2060713 4121426 10303565 20607130